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Full Version: Calculating averages in Python
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scores = [['HERBERT H. LEHMAN YABC', 6, 402, 373, 413], ['QUEENS SATELLITE HIGH SCHOOL FOR OPPORTUNITY', 6, 403, 408, 367], ['FORSYTH SATELLITE ACADEMY', 7, 414, 401, 359], ['GEORGE WASHINGTON YABC', 7, 394, 357, 346], ['W.E.B. DUBOIS ACADEMIC HIGH SCHOOL', 7, 394, 364, 334], ['OLYMPUS ACADEMY', 7, 400, 370, 370], ['ASPIRATIONS DIPLOMA PLUS HIGH SCHOOL',7, 311, 371, 311], ['NORTH QUEENS COMMUNITY HIGH SCHOOL',7, 379, 421, 377], ['BROOKLYN ACADEMY HIGH SCHOOL', 8, 435, 383, 379], ['SOUTH BROOKLYN COMMUNITY HIGH SCHOOL', 8, 430, 416, 425], ['GED PLUS s CITYWIDE', 8, 496, 400, 426],['HARVEY MILK HIGH SCHOOL', 9, 458, 416, 429], ['CROTONA ACADEMY HIGH SCHOOL', 9, 379, 364, 382], ['BRONX COMMUNITYHIGH SCHOOL', 9, 367, 369, 376], ['HIGH SCHOOL X560 s BRONX ACADEMY HIGH SCHOOL', 9, 404, 368, 399], ['ACADEMY OF BUSINESS AND COMMUNITY DEVELOPMENT', 9, 439, 374, 418], ['PACIFIC HIGH SCHOOL', 9, 352, 341, 300], ['FLUSHING YABC', 9, 378, 373, 344], ['PHOENIX ACADEMY', 9, 367, 370, 360], ['GRACE DODGE YABC', 10, 350, 356, 317], ['LIBERATION DIPLOMA PLUS', 10, 411, 369, 373], ['CONCORD HIGH SCHOOL', 10,466, 455, 414], ['YOUNG ADULT BOROUGH CENTER AT STATEN ISTECH HS', 10, 405, 375, 370], ['BROOKLYN DEMOCRACY ACADEMY', 11, 349, 338, 331], ['INNOVATION DIPLOMA PLUS', 12, 416, 403, 381], ['FRANCES PERKINS ACADEMY', 12, 382, 372, 368], ['EAST BROOKLYN COMMUNITY HIGH SCHOOL', 12, 410, 403, 378], ['BEDFORD STUYVESANT PREPARATORY HIGH SCHOOL', 13, 398, 391, 394], ['INDEPENDENCE HIGH SCHOOL', 14, 389, 371, 335], ['ARTURO A. SCHOMBURG SATELLITE ACADEMY BRONX', 14, 380, 372, 349], ['47 THE AMERICAN SIGN LANGUAGE AND ENGLISH SECONDARY SCHOOL', 16, 395, 400, 387], ['SCHOOL FOR COMMUNITY RESEARCH AND LEARNING', 16, 366, 400, 368], ['BRONX REGIONAL HIGH SCHOOL', 16, 398, 385, 398], ['BROWNSVILLE ACADEMY HIGH SCHOOL', 16, 372, 356, 335], ['BROOKLYN BRIDGEACADEMY', 17, 384, 362, 351], ['METROPOLITAN DIPLOMA PLUSHIGH SCHOOL', 17, 350, 346, 332], ['QUEENS ACADEMY HIGH SCHOOL', 17, 398, 382, 388], ['CASCADES HIGH SCHOOL', 18, 417, 418, 411], ['FRANKLIN DELANO ROOSEVELT YABC', 18, 338,477, 316], ['CHOIR ACADEMY OF HARLEM', 20, 354, 360, 385], ['CITY POLYTECHNIC HIGH SCHOOL OF ENGINEERING, ARCHITECTURE, AND TECHNOLOGY', 20, 441, 499, 413], ['FREDERICK DOUGLASS ACADEMY IV SECONDARY SCHOOL', 20, 355, 355, 358], ['BUSHWICK LEADERS HIGH SCHOOL FOR ACADEMIC EXCELLENCE', 23, 347, 358, 350], ['HIGH SCHOOL FOR HEALTH CAREERS AND SCIENCES', 24, 400, 422, 402], ['BUSHWICK COMMUNITY HIGH SCHOOL', 24, 359, 317, 358], ['UNITY CENTER FOR URBAN TECHNOLOGIES', 25, 370, 349, 351], ['NEW DAY ACADEMY', 25, 348, 344,354], ['JAMAICA GATEWAY TO THE SCIENCES', 25, 430, 452, 425], ['LIBERTY HIGH SCHOOL ACADEMY FOR NEWCOMERS', 26, 368, 436, 352], ['WEST BRONX ACADEMY FOR THE FUTURE', 26, 382, 406, 370], ['MANHATTAN THEATRE LAB HIGH SCHOOL', 27, 406, 379, 408], ['HIGH SCHOOL FOR VIOLIN AND DANCE', 27, 353,315, 371], ['NEW EXPLORERS HIGH SCHOOL', 28, 367, 356, 361], ['EL PUENTE ACADEMY FOR PEACE AND JUSTICE', 28, 359, 335, 341], ['METROPOLITAN CORPORATE ACADEMY HIGH SCHOOL', 28, 368, 365, 368], ['HENRY STREET SCHOOL FOR INTERNATIONALSTUDIES', 29, 355, 404, 363], ['LEGACY SCHOOL FOR INTEGRATED STUDIES', 29, 356, 357, 349], ['HARLEM RENAISSANCE HIGH SCHOOL', 29, 357, 318, 333], ['DR. SUSAN S. MCKINNEY SECONDARY SCHOOL OF THE ARTS', 29, 352, 349, 373], ['FREEDOM ACADEMY HIGH SCHOOL', 29, 400, 390, 403], ['BROOKLYN GENERATION SCHOOL', 29, 374, 377, 394], ['MULTICULTURAL HIGH SCHOOL', 29, 279, 322, 286], ['URBAN ACADEMY LABORATORY HIGHSCHOOL', 30, 527, 508, 512], ['LEADERSHIP INSTITUTE', 30,361, 353, 367], ['PERFORMANCE CONSERVATORY HIGH SCHOOL', 30, 361, 353, 360], ['PAN AMERICAN INTERNATIONAL HIGH SCHOOL AT MONROE', 30, 321, 351, 298], ['HERITAGE SCHOOL, THE', 31, 358, 351, 345], ['MONROE ACADEMY FOR BUSINESS/LAW', 31, 375, 387, 376], ['LYONS COMMUNITY SCHOOL', 31, 371, 377, 355], ['WADLEIGH SECONDARY SCHOOL FOR THE PERFORMING & VISUAL ARTS', 32, 371, 368, 370], ['SCHOOL FOR EXCELLENCE', 32, 363, 360, 351], ['P.S. Q811', 32, 429, 444, 433], ['SATELLITE ACADEMY HIGH SCHOOL', 33, 350, 337, 345], ['ACADEMY FOR SOCIAL ACTION: A COLLEGE BOARD SCHOOL', 33, 354, 366, 342], ['URBAN ASSEMBLY ACADEMY FOR HISTORY AND CITIZENSHIP FOR YOUNG MEN, THE', 33, 372, 355, 357], ['CULTURAL ACADEMY FOR THE ARTS AND SCIENCES', 33, 393, 395, 381], ['INTERNATIONAL COMMUNITY HIGH SCHOOL', 34, 310, 324, 311], ['BRONX HIGH SCHOOL OF BUSINESS', 34, 356, 376, 351], ['PEACE AND DIVERSITY ACADEMY', 34, 390, 401, 364], ['EDWARD A.REYNOLDS WEST SIDE HIGH SCHOOL', 35, 401, 369, 351], ['JONATHAN LEVIN HIGH SCHOOL FOR MEDIA AND COMMUNICATIONS', 35, 379, 364, 379], ['SCHOOL FOR HUMAN RIGHTS, THE', 35, 348, 381, 359], ['ACADEMY FOR CONSERVATION AND THE ENVIRONMENT', 35, 363, 381, 367], ['HUMANITIES PREPARATORY ACADEMY',36, 426, 403, 426], ['BRONX LATIN', 36, 408, 432, 411], ['GOTHAM PROFESSIONAL ARTS ACADEMY', 36, 370, 372, 351], ['ACADEMY OF MEDICAL TECHNOLOGY: A COLLEGE BOARD SCHOOL', 36, 367, 379, 348], ['BROOKLYN COMMUNITY HIGH SCHOOL OF COMMUNICATION, ARTS AND MEDIA', 37, 375, 355, 384], ['HIGH SCHOOL FOR INNOVATION IN ADVERTISING AND MEDIA', 37, 404, 393, 386], ['FDNY HIGH SCHOOL FOR FIRE AND LIFE SAFETY', 37, 341, 349, 333], ['MORRIS ACADEMY FOR COLLABORATIVE STUDIES', 38, 386, 386, 376], ['ENGLISH LANGUAGE LEARNERS AND INTERNATIONAL SUPPORT PREPARATORY ACADEMY (ELLIS)', 38, 343, 356, 330], ['SCHOOL FOR DEMOCRACY AND LEADERSHIP', 38, 377, 404, 372], ['THE SCHOOL FOR CLASSICS: AN ACADEMY OF THINKERS, WRITERS AND PERFORMERS', 38, 383, 400, 374], ['HOLCOMBE L. RUCKER SCHOOL OF COMMUNITY RESEARCH', 39, 363, 371,350], ['BRONX GUILD', 39, 369, 371, 365], ['BRONX EXPEDITIONARY LEARNING HIGH SCHOOL', 39, 324, 376, 349], ['HIGH SCHOOL OF SPORTS MANAGEMENT', 39, 388, 398, 378], ['HIGH SCHOOL OF APPLIED COMMUNICATION', 39, 406, 413, 400], ['ALL CITY LEADERSHIP SECONDARY SCHOOL', 39, 428, 465, 422], ['LOWER MANHATTAN ARTS ACADEMY', 40, 403, 392, 405], ['URBAN ACTION ACADEMY', 40, 376, 385, 374], ['LIFE ACADEMY HIGH SCHOOL FOR FILM AND MUSIC', 40, 384, 375, 365], ['EXPEDITIONARY LEARNING SCHOOL FOR COMMUNITY LEADERS', 40, 353, 370,356], ['URBAN ASSEMBLY SCHOOL FOR MEDIA STUDIES, THE', 41, 384, 390, 370], ['GATEWAY SCHOOL FOR ENVIRONMENTAL RESEARCH AND TECHNOLOGY', 41, 416, 390, 394], ['GREEN SCHOOL: AN ACADEMY FOR ENVIRONMENTAL CAREERS', 41, 407, 386, 396], ['URBAN ASSEMBLY SCHOOL OF BUSINESS FOR YOUNG WOMEN, THE',42, 373, 370, 384], ['REPERTORY COMPANY HIGH SCHOOL FOR THEATRE ARTS', 42, 429, 404, 420], ['HIGH SCHOOL OF WORLD CULTURES', 42, 304, 323, 312], ['BROOKLYN PREPARATORY HIGH SCHOOL', 42, 367, 373, 350], ['FREDERICK DOUGLASS ACADEMY II SECONDARY SCHOOL', 43, 356, 379, 361], ['COMMUNITY SCHOOL FOR SOCIAL JUSTICE', 43, 361, 359, 357], ['MONROE ACADEMY FOR VISUAL ARTS & DESIGN', 43, 332, 357, 349], ['KURT HAHN EXPEDITIONARY LEARNING SCHOOL', 43, 368, 378, 346], ['PREPARATORY ACADEMY FOR WRITERS: A COLLEGE BOARD SCHOOL', 43, 370, 367, 363], ['MARTA VALLE HIGH SCHOOL', 44, 390, 433, 384], ['URBAN ASSEMBLY SCHOOL FOR CAREERS IN SPORTS', 44, 387, 411, 383], ["WOMEN'S ACADEMY OF EXCELLENCE", 44, 407, 386, 378], ['QUEENS HIGH SCHOOL FOR INFORMATION, RESEARCH, AND TECHNOLOGY', 44, 391, 401, 364], ['FLUSHING INTERNATIONAL HIGH SCHOOL', 45, 314, 417, 318], ['BRONX HIGH SCHOOL FOR WRITING AND COMMUNICATION ARTS', 46, 400, 357, 390], ['BRONX AEROSPACE HIGH SCHOOL', 46, 388, 393, 382], ['EAST BRONX ACADEMY FOR THE FUTURE', 46, 366, 378, 358], ['BROOKLYN HIGH SCHOOL FOR LAW AND TECHNOLOGY', 46, 362, 372, 358], ['THE HIGH SCHOOL FOR GLOBAL CITIZENSHIP', 46, 403, 385, 388], ['PATHWAYS COLLEGE PREPARATORY SCHOOL: A COLLEGE BOARD SCHOOL', 46, 401, 397, 375], ['SAMUEL GOMPERS CAREER AND TECHNICAL EDUCATION HIGH SCHOOL', 47, 398, 416, 370], ['HIGH SCHOOL FOR CIVIL RIGHTS', 47, 363, 349, 342],['URBAN ASSEMBLY SCHOOL OF DESIGN AND CONSTRUCTION, THE',48, 404, 449, 416], ['COALITION SCHOOL FOR SOCIAL CHANGE', 48, 354, 357, 373], ['ACADEMY OF ENVIRONMENTAL SCIENCE SECONDARY HIGH SCHOOL', 48, 369, 369, 357], ['FORDHAM HIGH SCHOOL FOR THE ARTS', 48, 355, 350, 372], ['BRONX HIGH SCHOOL FOR THE VISUAL ARTS', 48, 419, 433, 416], ['THE BRONXWOOD PREPARATORY ACADEMY', 48, 377, 372, 363], ['BROOKLYN SCHOOL FOR MUSIC & THEATRE', 48, 385, 393, 373], ['ARTS & MEDIA PREPARATORY ACADEMY', 48, 361, 360, 359], ['MANHATTANINTERNATIONAL HIGH SCHOOL', 49, 376, 460, 391], ['HIGH SCHOOL FOR ARTS, IMAGINATION AND INQUIRY', 49, 374, 384, 374], ['BRONX INTERNATIONAL HIGH SCHOOL', 49, 314, 312, 339],['INTERNATIONAL SCHOOL FOR LIBERAL ARTS', 49, 300, 333, 301], ['METROPOLITAN HIGH SCHOOL, THE', 49, 347, 367, 341],['EXCELSIOR PREPARATORY HIGH SCHOOL', 49, 402, 398, 402],['BUSINESS, COMPUTER APPLICATIONS & ENTREPRENEURSHIP HIGHSCHOOL', 49, 379, 414, 359], ['URBAN ASSEMBLY ACADEMY OF GOVERNMENT AND LAW, THE', 50, 375, 388, 385], ['EXIMIUS COLLEGE PREPARATORY ACADEMY: A COLLEGE BOARD SCHOOL', 50, 393, 394, 382], ['FREDERICK DOUGLASS ACADEMY III SECONDARY SCHOOL', 50, 368, 384, 369], ['ACADEMY FOR ENVIRONMENTAL LEADERSHIP', 50, 380, 366, 352], ['PARK EAST HIGH SCHOOL', 51, 373, 379, 376], ['BRONX ACADEMY OF LETTERS', 51, 413, 381, 407], ['DREAMYARD PREPARATORY SCHOOL', 51, 382, 365, 391], ['BELMONT PREPARATORY HIGH SCHOOL', 51, 404, 418, 400], ['CYPRESS HILLS COLLEGIATE PREPARATORY SCHOOL', 51, 376, 385, 368], ['RENAISSANCE HIGH SCHOOL FOR MUSICAL THEATER& TECHNOLOGY', 52, 384, 385, 389], ['KINGSBRIDGE INTERNATIONAL HIGH SCHOOL', 52, 304, 356, 302], ['CELIA CRUZ BRONXHIGH SCHOOL OF MUSIC, THE', 52, 423, 420, 427], ['URBAN ASSEMBLY HIGH SCHOOL OF MUSIC AND ART', 52, 360, 364, 356],['BROOKLYN SCHOOL FOR GLOBAL STUDIES', 52, 361, 367, 383], ['QUEENS PREPARATORY ACADEMY', 52, 360, 380, 359], ['LAW, GOVERNMENT AND COMMUNITY SERVICE HIGH SCHOOL', 52, 385, 377, 377], ['ESSEX STREET ACADEMY', 53, 394, 384, 378], ['PAUL ROBESON HIGH SCHOOL', 53, 365, 363, 355], ['INSTITUTEFOR COLLABORATIVE EDUCATION', 54, 492, 465, 467], ['MOTT HALL HIGH SCHOOL', 54, 413, 399, 398], ['BANANA KELLY HIGHSCHOOL', 54, 373, 381, 377], ['ACADEMY FOR LANGUAGE AND TECHNOLOGY', 54, 315, 339, 297], ['BRONX SCHOOL OF LAW AND FINANCE', 54, 402, 395, 385], ['INTERNATIONAL ARTS BUSINESS SCHOOL', 54, 386, 391, 369], ['BROOKLYN THEATRE ARTS HIGH SCHOOL', 54, 383, 358, 377], ['EAST NEW YORK FAMILY ACADEMY', 54, 416, 432, 394], ['INTERNATIONAL HIGH SCHOOL AT LAFAYETTE', 54, 326, 386, 314], ['RACHEL CARSON HIGH SCHOOLFOR COASTAL STUDIES', 54, 402, 427, 408], ['COMMUNITY HEALTH ACADEMY OF THE HEIGHTS', 55, 362, 376, 367], ['DISCOVERY HIGH SCHOOL', 55, 372, 379, 364], ['HIGH SCHOOL FOR CONTEMPORARY ARTS', 55, 383, 378, 365], ['FREDERICK DOUGLASS ACADEMY VII HIGH SCHOOL', 55, 361, 371, 359], ['PAN AMERICAN INTERNATIONAL HIGH SCHOOL', 55, 317, 323, 311], ['HIGH SCHOOL M560 s CITY AS SCHOOL', 56, 498, 440, 477], ['URBANASSEMBLY SCHOOL FOR THE PERFORMING ARTS', 56, 360, 353, 364], ['GREGORIO LUPERON HIGH SCHOOL FOR SCIENCE AND MATHEMATICS', 56, 339, 349, 326], ['ACADEMY FOR SCHOLARSHIP AND ENTREPRENEURSHIP: A COLLEGE BOARD SCHOOL', 56, 386, 394, 361], ['IT TAKES A VILLAGE ACADEMY', 56, 313, 320, 330], ['HIGH SCHOOL FOR TEACHING AND THE PROFESSIONS', 57, 370, 371, 365], ['GLOBAL ENTERPRISE HIGH SCHOOL', 57, 372, 382, 375], ['EXPLORATIONS ACADEMY', 57, 381, 381, 360], ['ACADEMY OF HOSPITALITY AND TOURISM', 57, 352, 342, 351], ['BROOKLYN LAB SCHOOL', 57, 360, 385, 363], ['HIGH SCHOOL OF HOSPITALITY MANAGEMENT', 58, 374, 375, 362], ['SECONDARY SCHOOL FOR JOURNALISM', 58, 397, 391, 381], ['MIDDLE COLLEGE HIGH SCHOOL AT LAGUARDIA COMMUNITY COLLEGE', 58, 399, 393, 385], ['QUEENS SCHOOL OF INQUIRY, THE', 58, 455, 498, 443],['BAYARD RUSTIN EDUCATIONAL COMPLEX', 59, 378, 365, 368],['THEATRE ARTS PRODUCTION COMPANY SCHOOL', 59, 405, 391, 394], ['SECONDARY SCHOOL FOR LAW', 59, 398, 411, 394], ['ACADEMY FOR COLLEGE PREPARATION AND CAREER EXPLORATION: A COLLEGE BOARD SCHOOL', 59, 396, 374, 369], ['EASTsWEST SCHOOL OF INTERNATIONAL STUDIES', 59, 416, 463, 392], ['GEORGEWASHINGTON CARVER HIGH SCHOOL FOR THE SCIENCES', 59, 436,427, 424], ['GRAMERCY ARTS HIGH SCHOOL', 60, 391, 391, 394], ['CITY COLLEGE ACADEMY OF THE ARTS', 60, 408, 446, 416], ['ASTOR COLLEGIATE ACADEMY', 60, 387, 391, 391], ['ACADEMY OF INNOVATIVE TECHNOLOGY', 60, 371, 371, 354], ['BROOKLYN COLLEGIATE: A COLLEGE BOARD SCHOOL', 60, 389, 409, 387], ['LIFE SCIENCES SECONDARY SCHOOL', 61, 409, 424, 403], ['BREAD & ROSES INTEGRATED ARTS HIGH SCHOOL', 61, 369, 361, 355], ['KNOWLEDGE AND POWER PREPARATORY ACADEMY INTERNATIONAL HIGH SCHOOL (KAPPA)', 61, 392, 401, 387], ['HIGH SCHOOL FOR SERVICE & LEARNING AT ERASMUS', 61, 362, 375, 368], ['PERFORMING ARTS AND TECHNOLOGY HIGH SCHOOL', 61, 380, 386, 383], ['BACCALAUREATE SCHOOL FOR GLOBAL EDUCATION', 61, 524, 568, 544], ['GAYNOR MCCOWN EXPEDITIONARY LEARNING SCHOOL', 61, 398, 412, 385], ['FOOD AND FINANCE HIGH SCHOOL', 62, 409, 393, 392], ['LANDMARK HIGH SCHOOL', 62, 390, 399, 381], ['BRONX LEADERSHIP ACADEMY II HIGH SCHOOL', 62,362, 378, 363], ['HUMANITIES & ARTS MAGNET HIGH SCHOOL', 62, 393, 381, 377], ['HIGH SCHOOL FOR MEDIA AND COMMUNICATIONS', 63, 369, 380, 349], ['MOTT HAVEN VILLAGE PREPARATORY HIGH SCHOOL', 63, 351, 375, 371], ['FORDHAM LEADERSHIP ACADEMY FOR BUSINESS AND TECHNOLOGY', 63, 367, 385, 367], ['BROOKLYN ACADEMY OF SCIENCE AND THE ENVIRONMENT', 63, 388, 382, 373], ['VICTORY COLLEGIATE HIGH SCHOOL', 63, 387, 377, 379], ['WORLD JOURNALISM PREPARATORY: A COLLEGE BOARD SCHOOL', 63, 471, 489, 481], ['FOREIGN LANGUAGE ACADEMY OFGLOBAL STUDIES', 64, 399, 396, 391], ['BRONX HIGH SCHOOL FOR MEDICAL SCIENCE', 64, 400, 419, 402], ['SCHOOL FOR INTERNATIONAL STUDIES', 64, 405, 415, 392], ['SOUTH BRONX PREPARATORY: A COLLEGE BOARD SCHOOL', 65, 364, 378, 348], ['BRONX HIGH SCHOOL FOR LAW AND COMMUNITY SERVICE', 65, 366, 364, 352], ['SCHOOL OF THE FUTURE HIGH SCHOOL', 66, 517, 533, 515], ['MANHATTAN BRIDGES HIGH SCHOOL', 66, 336, 378, 344], ['HIGH SCHOOL FOR LAW, ADVOCACY AND COMMUNITY JUSTICE', 66, 396, 398, 402], ['THURGOOD MARSHALL ACADEMY FOR LEARNING AND SOCIAL CHANGE', 66, 396, 402, 404], ['HOSTOSsLINCOLN ACADEMY OF SCIENCE', 66, 420, 426, 411], ['WINGS ACADEMY', 66, 378, 374, 362], ['PABLO NERUDA ACADEMY FOR ARCHITECTURE AND WORLD STUDIES', 67, 337, 361, 340], ['MILLENNIUM ART ACADEMY', 67, 387, 402, 375], ['MOTT HALL BRONX HIGH SCHOOL', 67, 369, 367, 356], ['ACADEMY OF URBAN PLANNING', 67, 342, 364, 354], ['FELISA RINCON DE GAUTIER INSTITUTE FOR LAW AND PUBLIC POLICY, THE', 68, 373, 370, 356], ['BRONX THEATRE HIGH SCHOOL', 68, 348, 362, 354], ['ACADEMY FOR YOUNG WRITERS', 68, 387, 357, 381], ['WORLD ACADEMY FOR TOTAL COMMUNITY HEALTH HIGH SCHOOL', 68, 371, 365, 370],['QUEENS COLLEGIATE: A COLLEGE BOARD SCHOOL', 68, 420, 445, 400], ["YOUNG WOMEN'S LEADERSHIP SCHOOL, QUEENS", 68, 439, 445, 432], ['JAMES BALDWIN SCHOOL, THE: A SCHOOL FOR EXPEDITIONARY LEARNING', 69, 408, 390, 390], ['BRONX ACADEMY OF HEALTH CAREERS', 69, 387, 365, 383], ['SCIENCE, TECHNOLOGY AND RESEARCH EARLY COLLEGE HIGH SCHOOL AT ERASMUS', 69, 457, 462, 441], ['TEACHERS PREPARATORY HIGH SCHOOL', 69, 392, 416, 388], ['CIVIC LEADERSHIP ACADEMY', 69, 404, 429, 407], ['INTERNATIONAL HIGH SCHOOL AT LAGUARDIA COMMUNITY COLLEGE', 69, 326, 409, 329], ['EAST SIDE COMMUNITY SCHOOL', 70, 377, 402, 370], ["YOUNG WOMEN'S LEADERSHIP SCHOOL", 70, 432, 446, 448], ['WASHINGTON HEIGHTS EXPEDITIONARYLEARNING SCHOOL', 70, 380, 395, 399], ['INTERNATIONAL HIGH SCHOOL AT PROSPECT HEIGHTS', 71, 287, 335, 291], ['VANGUARD HIGH SCHOOL', 72, 395, 416, 388], ['HIGH SCHOOL OF COMPUTERS AND TECHNOLOGY', 72, 381, 376, 354], ['NEW WORLD HIGH SCHOOL', 72, 332, 381, 335], ['FANNIE LOU HAMER FREEDOMHIGH SCHOOL', 72, 342, 346, 341], ['ACORN COMMUNITY HIGH SCHOOL', 72, 384, 364, 368], ['BROOKLYN LATIN SCHOOL, THE', 72, 586, 584, 570], ['WILLIAMSBURG HIGH SCHOOL FOR ARCHITECTURE AND DESIGN', 72, 363, 385, 364], ['PARK SLOPE COLLEGIATE', 72, 379, 416, 380], ['NEW DESIGN HIGH SCHOOL', 73, 391, 395, 382], ['CENTRAL PARK EAST HIGH SCHOOL', 73, 405, 421, 395], ['GRACE DODGE CAREER AND TECHNICAL EDUCATIONHIGH SCHOOL', 73, 362, 382, 356], ['HIGH SCHOOL FOR YOUTHAND COMMUNITY DEVELOPMENT AT ERASMUS', 73, 338, 349, 340], ['VALIDUS PREPARATORY ACADEMY: AN EXPEDITIONARY LEARNINGSCHOOL', 74, 356, 363, 356], ['BRONX HEALTH SCIENCES HIGHSCHOOL', 74, 370, 381, 382], ['W. H. MAXWELL CAREER AND TECHNICAL EDUCATION HIGH SCHOOL', 74, 370, 369, 363], ['CHANNEL VIEW SCHOOL FOR RESEARCH', 74, 432, 419, 401], ['HIGHSCHOOL FOR LAW ENFORCEMENT AND PUBLIC SAFETY', 74, 406, 406, 384], ['HIGH SCHOOL OF ARTS AND TECHNOLOGY', 75, 433, 433, 411], ['HIGH SCHOOL FOR MEDICAL PROFESSIONS', 75, 386, 380, 393], ['BUSHWICK SCHOOL FOR SOCIAL JUSTICE', 75, 348, 353, 334], ['FACING HISTORY SCHOOL, THE', 76, 353, 358,340], ['HIGH SCHOOL FOR INTERNATIONAL BUSINESS AND FINANCE', 76, 365, 384, 378], ['ALFRED E. SMITH CAREER AND TECHNICAL EDUCATION HIGH SCHOOL', 76, 394, 400, 364], ['PELHAM PREPARATORY ACADEMY', 76, 431, 438, 419], ['BROOKLYN SECONDARY SCHOOL FOR COLLABORATIVE STUDIES', 76, 393, 399, 387], ['THE URBAN ASSEMBLY NEW YORK HARBOR SCHOOL', 77, 405, 423, 384], ['COBBLE HILL SCHOOL OF AMERICAN STUDIES', 77, 398, 402, 385], ['HIGH SCHOOL FOR DUAL LANGUAGE AND ASIAN STUDIES', 78, 412, 581, 431], ['JANE ADDAMS HIGH SCHOOL FORACADEMIC CAREERS', 78, 377, 359, 376], ['EAGLE ACADEMY FOR YOUNG MEN', 78, 373, 387, 374], ['BEACH CHANNEL HIGH SCHOOL', 78, 384, 396, 354], ['MATHEMATICS, SCIENCE RESEARCH AND TECHNOLOGY MAGNET HIGH SCHOOL', 78, 400, 426, 394], ['EMMA LAZARUS HIGH SCHOOL', 79, 319, 512, 357], ['UNIVERSITY HEIGHTS SECONDARY SCHOOL', 79, 403, 394, 404], ['THE MARIE CURIE SCHOOL FOR MEDICINE, NURSING, AND HEALTH PROFESSIONS', 79, 382, 393, 382], ['HIGH SCHOOL FOR PUBLIC SERVICE: HEROES OF TOMORROW', 79, 418, 441, 414], ['URBAN ASSEMBLY SCHOOL FOR APPLIED MATH AND SCIENCE, THE', 80, 411, 464,415], ['BRONX SCHOOL FOR LAW, GOVERNMENT AND JUSTICE', 80, 404, 418, 402], ['ROBERT F. WAGNER, JR. SECONDARY SCHOOLFOR ARTS AND TECHNOLOGY', 80, 443, 447, 440], ['TALENT UNLIMITED HIGH SCHOOL', 81, 469, 472, 475], ['BRONX CENTER FOR SCIENCE AND MATHEMATICS', 81, 459, 480, 457], ['BRONX LAB SCHOOL', 81, 377, 391, 367], ['CHELSEA CAREER AND TECHNICAL EDUCATION HIGH SCHOOL', 83, 399, 418, 390], ['LEADERSHIP AND PUBLIC SERVICE HIGH SCHOOL', 84, 416, 426, 391], ['RICHARD R. GREEN HIGH SCHOOL OF TEACHING', 84, 408, 384, 403], ['PACE HIGH SCHOOL', 85, 423, 438, 432], ['GEORGE WESTINGHOUSE CAREER AND TECHNICAL EDUCATION HIGH SCHOOL', 85, 406, 391, 392], ['BRONX ENGINEERING AND TECHNOLOGY ACADEMY', 86, 373, 412, 365], ['FREDERICK DOUGLASS ACADEMY VI HIGH SCHOOL', 87, 387, 385, 373], ['EBC HIGH SCHOOL FOR PUBLIC SERVICE–BUSHWICK', 88, 384, 409, 361], ['BEDFORD ACADEMY HIGH SCHOOL', 89, 438, 443, 431], ['ACADEMY OF FINANCE AND ENTERPRISE', 89, 405, 454, 421], ["SCHOLARS' ACADEMY",89, 499, 537, 496], ['BROOKLYN INTERNATIONAL HIGH SCHOOL', 90, 305, 364, 312], ['JAMAICA HIGH SCHOOL', 90, 342, 368, 353], ['UNIVERSITY NEIGHBORHOOD HIGH SCHOOL', 91, 383, 423, 366], ['NYC ISCHOOL', 92, 473, 483, 479], ['HIGH SCHOOL OF AMERICAN STUDIES AT LEHMAN COLLEGE', 92, 636, 648, 636], ['SCIENCE SKILLS CENTER HIGH SCHOOL FOR SCIENCE, TECHNOLOGY AND THE CREATIVE ARTS', 92, 399, 417, 395], ['ROBERTH. GODDARD HIGH SCHOOL OF COMMUNICATION ARTS AND TECHNOLOGY', 93, 423, 426, 416], ['PROFESSIONAL PERFORMING ARTS HIGH SCHOOL', 94, 509, 490, 523], ['HIGH SCHOOL FOR LAW AND PUBLIC SERVICE', 94, 363, 378, 361], ['AUTOMOTIVE HIGH SCHOOL', 94, 367, 376, 350], ['RALPH R. MCKEE CAREER AND TECHNICAL EDUCATION HIGH SCHOOL', 94, 416, 422, 397], ['MANHATTAN VILLAGE ACADEMY', 95, 441, 473, 458], ['WILLIAM E. GRADY CAREER AND TECHNICAL EDUCATION HIGH SCHOOL', 95, 394, 414, 376], ['COLLEGIATE INSTITUTE FOR MATH AND SCIENCE', 97, 444, 471, 433], ['ACADEMY FOR CAREERS IN TELEVISION AND FILM', 98, 410, 440, 405], ['MARBLE HILL HIGH SCHOOL FOR INTERNATIONAL STUDIES', 99, 414, 435, 414], ['ROBERT F. KENNEDY COMMUNITY HIGH SCHOOL', 99, 431, 458, 441], ['QUEENS GATEWAY TO HEALTH SCIENCES SECONDARY SCHOOL', 99, 513, 523, 502], ['HIGH SCHOOL FOR MATHEMATICS, SCIENCE AND ENGINEERING AT CITY COLLEGE', 101, 605, 654, 588], ['AUGUST MARTIN HIGH SCHOOL', 101, 377, 371, 360], ['JUAN MOREL CAMPOS SECONDARY SCHOOL', 102, 365, 361, 359], ['N.Y.C. MUSEUM SCHOOL', 103, 468, 492, 459], ['BARUCH COLLEGE CAMPUS HIGH SCHOOL', 104, 496, 563, 518], ['THE URBAN ASSEMBLY SCHOOL FOR LAW AND JUSTICE', 105, 400, 417, 389], ['THE MICHAEL J. PETRIDES SCHOOL', 107, 472, 488, 466], ['JOHN F. KENNEDY HIGH SCHOOL', 109, 351, 362, 339], ['MANHATTAN / HUNTER SCIENCE HIGH SCHOOL', 111, 473, 506, 467], ['INsTECH ACADEMY (M.S. / HIGH SCHOOL 368)', 111, 390, 408, 383], ['LOWER EAST SIDE PREPARATORY HIGH SCHOOL', 112, 332, 557, 316], ['RIVERDALE / KINGSBRIDGE ACADEMY (MIDDLE SCHOOL / HIGH SCHOOL 141)', 113, 438, 455, 440], ['WILLIAMSBURG PREPARATORY SCHOOL', 113, 397, 410, 380], ['N.Y.C. LAB SCHOOL FOR COLLABORATIVE STUDIES', 114, 537, 590, 550], ['HEALTH OPPORTUNITIES HIGH SCHOOL', 114, 363, 368, 364], ['BRONX LEADERSHIPACADEMY HIGH SCHOOL', 114, 384, 394, 388], ['BROOKLYN STUDIO SECONDARY SCHOOL', 119, 429, 449, 435], ['MANHATTAN COMPREHENSIVE NIGHT AND DAY HIGH SCHOOL', 121, 345, 517, 343], ['CHRISTOPHER COLUMBUS HIGH SCHOOL', 121, 367, 361, 353], ['QUEENS HIGH SCHOOL FOR THE SCIENCES AT YORK COLLEGE',121, 612, 660, 596], ['ELEANOR ROOSEVELT HIGH SCHOOL', 127, 572, 594, 592], ['BARD HIGH SCHOOL EARLY COLLEGE', 130,624, 604, 628], ['JACQUELINE KENNEDY ONASSIS HIGH SCHOOL', 131, 414, 425, 400], ['LOUIS D. BRANDEIS HIGH SCHOOL', 131, 370, 390, 358], ['BOYS AND GIRLS HIGH SCHOOL', 131, 365, 370, 362], ['BROOKLYN COLLEGE ACADEMY', 131, 456, 456, 440], ['SCHOOL FOR LEGAL STUDIES', 134, 413, 396, 395], ['ACADEMY OF AMERICAN STUDIES', 135, 487, 492, 491], ['CSI HIGH SCHOOL FOR INTERNATIONAL STUDIES', 137, 452, 451, 450], ['HIGH SCHOOL FOR ARTS AND BUSINESS', 138, 391, 403, 380], ['BROOKLYN HIGH SCHOOL OF THE ARTS', 141, 426, 421, 411], ['THE HIGH SCHOOL FOR ENTERPRISE, BUSINESS AND TECHNOLOGY', 142, 398, 421, 396], ['NEWCOMERS HIGH SCHOOL', 143, 323, 475, 329], ['MILLENNIUM HIGH SCHOOL', 144, 528, 553, 533], ['PROGRESS HIGH SCHOOL FOR PROFESSIONAL CAREERS', 144, 364, 379, 371], ['INFORMATION TECHNOLOGY HIGH SCHOOL', 148, 407, 434, 398], ['WASHINGTON IRVING HIGH SCHOOL', 151,373, 387, 360], ['NORMAN THOMAS HIGH SCHOOL', 154, 370, 379, 359], ['BARD HIGH SCHOOL EARLY COLLEGE II', 155, 545, 568, 550], ['QUEENS VOCATIONAL AND TECHNICAL HIGH SCHOOL',155, 417, 447, 406], ['NEW EXPLORATIONS INTO SCIENCE, TECHNOLOGY AND MATH HIGH SCHOOL', 159, 522, 574, 525], ['MEDGAR EVERS COLLEGE PREPARATORY SCHOOL', 165, 476, 481, 479],['HIGH SCHOOL OF ECONOMICS AND FINANCE', 167, 443, 489, 442], ['FRANK SINATRA SCHOOL OF THE ARTS HIGH SCHOOL', 174,504, 496, 494], ['QUEENS HIGH SCHOOL OF TEACHING, LIBERALARTS AND THE SCIENCES', 175, 425, 434, 420], ['TRANSIT TECH CAREER AND TECHNICAL EDUCATION HIGH SCHOOL', 182, 395, 418, 380], ['BENJAMIN BANNEKER ACADEMY', 185, 471, 472, 448], ['HARRY S TRUMAN HIGH SCHOOL', 189, 386, 397, 368], ['HIGH SCHOOL OF GRAPHIC COMMUNICATION ARTS', 191, 395, 382,376], ['HIGH SCHOOL FOR CONSTRUCTION TRADES, ENGINEERING AND ARCHITECTURE', 194, 429, 491, 425], ['FREDERICK DOUGLASS ACADEMY', 214, 458, 474, 442], ['STATEN ISLAND TECHNICAL HIGH SCHOOL', 227, 635, 682, 636], ['A. PHILIP RANDOLPH CAMPUS HIGH SCHOOL', 228, 430, 456, 423], ['SHEEPSHEAD BAYHIGH SCHOOL', 236, 383, 392, 370], ['HIGH SCHOOL OF TELECOMMUNICATION ARTS AND TECHNOLOGY', 238, 425, 474, 424], ['GROVER CLEVELAND HIGH SCHOOL', 241, 395, 420, 396], ['CLARA BARTON HIGH SCHOOL', 259, 425, 413, 413], ['LEON M. GOLDSTEIN HIGH SCHOOL FOR THE SCIENCES', 259, 524, 561, 542], ['BEACON HIGH SCHOOL', 261, 577, 575, 592], ['HIGH SCHOOL FOR ENVIRONMENTAL STUDIES', 263, 465, 493, 461], ['MURRY BERGTRAUM HIGH SCHOOL FOR BUSINESS CAREERS', 264, 407, 440,393], ['ART AND DESIGN HIGH SCHOOL', 270, 444, 441, 430],['PORT RICHMOND HIGH SCHOOL', 271, 424, 438, 417], ['TOWNSEND HARRIS HIGH SCHOOL', 278, 621, 651, 638], ['NEWTOWN HIGH SCHOOL', 320, 383, 440, 380], ['MARTIN VAN BUREN HIGH SCHOOL', 334, 391, 397, 384], ['THE HIGH SCHOOL OF FASHIONINDUSTRIES', 335, 423, 423, 411], ['HIGH SCHOOL FOR HEALTH PROFESSIONS AND HUMAN SERVICES', 336, 429, 449, 428], ['FLUSHING HIGH SCHOOL', 347, 393, 441, 382], ['MANHATTAN CENTER FOR SCIENCE AND MATHEMATICS', 375, 461, 514, 455], ['CURTIS HIGH SCHOOL', 375, 437, 435, 429], ['FRANKLIN DELANO ROOSEVELT HIGH SCHOOL', 385, 383, 486, 375], ['NEW DORP HIGH SCHOOL', 391, 424, 437, 416], ['LONG ISLAND CITY HIGHSCHOOL', 392, 403, 420, 395], ['WILLIAM CULLEN BRYANT HIGH SCHOOL', 395, 414, 449, 412], ['AVIATION CAREER & TECHNICAL EDUCATION HIGH SCHOOL', 396, 445, 496, 423], ['JOHN ADAMS HIGH SCHOOL', 403, 391, 409, 392], ['RICHMOND HILL HIGH SCHOOL', 404, 382, 404, 368], ['HERBERT H. LEHMAN HIGH SCHOOL', 415, 412, 436, 393], ['THOMAS A. EDISON CAREER ANDTECHNICAL EDUCATION HIGH SCHOOL', 422, 452, 478, 442], ['DEWITT CLINTON HIGH SCHOOL', 443, 419, 426, 410], ['JOHN DEWEY HIGH SCHOOL', 448, 404, 468, 390], ['NEW UTRECHT HIGHSCHOOL', 456, 402, 471, 399], ['HILLCREST HIGH SCHOOL', 462, 395, 413, 386], ['ABRAHAM LINCOLN HIGH SCHOOL', 475, 396, 437, 393], ['JAMES MADISON HIGH SCHOOL', 518, 436, 475, 439], ['FIORELLO H. LAGUARDIA HIGH SCHOOL OF MUSIC & ARTAND PERFORMING ARTS', 531, 566, 564, 577], ['SUSAN E. WAGNER HIGH SCHOOL', 535, 455, 474, 459], ['JOHN BOWNE HIGH SCHOOL', 558, 397, 451, 395], ['FORT HAMILTON HIGH SCHOOL',694, 417, 478, 411], ['BAYSIDE HIGH SCHOOL', 708, 462, 523, 464], ['EDWARD R. MURROW HIGH SCHOOL', 727, 468, 496, 467], ['BRONX HIGH SCHOOL OF SCIENCE', 731, 632, 688, 649],['FOREST HILLS HIGH SCHOOL', 762, 456, 497, 454], ['TOTTENVILLE HIGH SCHOOL', 807, 462, 486, 470], ['MIDWOOD HIGH SCHOOL', 824, 478, 519, 476], ['STUYVESANT HIGH SCHOOL', 832, 679, 735, 682], ['BENJAMIN N. CARDOZO HIGH SCHOOL', 888, 480, 545, 489], ['FRANCIS LEWIS HIGH SCHOOL', 934, 468, 539, 467], ['BROOKLYN TECHNICAL HIGH SCHOOL', 1277, 587, 659, 587]]

print("Data-1a.")
print(len(scores))

total_testtakers = 0
for record in scores:
  total_testtakers += record[1]
print(total_testtakers)

avg_testtakers = total_testtakers / len(scores)
print("Average number of test takers per school: {:.2f}".format(avg_testtakers))

highest = 200
lowest = 800
for row in scores:
  if row[3] > highest:
    highest = row[3]
  if row[3] < lowest:
    lowest = row[3]
print("Highest:", highest)
print("Lowest:", lowest)

avgmath = [row[3] for row in scores]
print(len(avgmath))

print("The lowest SAT Math average score is", min(avgmath))
print("The highest SAT Math average score is", max(avgmath))

print("\nData-1b.")

highest = 200
lowest = 800
for row in scores:
  if row[2] > highest:
    highest = row[2]
  if row[2] < lowest:
    lowest = row[2]

avgcritread = [row[2] for row in scores]

print("The highest SAT Critical Reading Average score is", max(avgcritread))
print("The lowest SAT Critical Reading Average score is", min(avgcritread))
I am trying to calculate the average of the math scores for the SAT scores given in the list called scores. Also, I then would like to find the highest and lowest average scores for critical reading then the highest and lowest average scores for writing.
What exactly is the problem you are having?