data/analysis/dd2_distribution_tail.json
Served verbatim from the project repository. Internal working document conventions apply: documents may reference file paths, branch names, and findings-ledger anchors from the repo.
{
"meta": {
"source": "edu_data_local replica (bootstrap_replica.sh); read-only",
"universe": "NYC district schools (include_in_default_comparisons, DOE_PUBLIC), subgroup ALL, non-suppressed",
"metric": "school-wide chronic_absenteeism_rate (a school-level distribution; authoritative, not grade-cell-summed)",
"band": "school grade_band classification (ES/MS/K8/HS); K12 (4 schools) omitted from band splits"
},
"tail_by_band_year": {
"ES": {
"2018-19": {
"n": 643,
"n_gt50": 30,
"pct_gt50": 4.7
},
"2019-20": {
"n": 644,
"n_gt50": 14,
"pct_gt50": 2.2
},
"2020-21": {
"n": 641,
"n_gt50": 59,
"pct_gt50": 9.2
},
"2021-22": {
"n": 641,
"n_gt50": 208,
"pct_gt50": 32.4
},
"2022-23": {
"n": 640,
"n_gt50": 134,
"pct_gt50": 20.9
},
"2023-24": {
"n": 639,
"n_gt50": 106,
"pct_gt50": 16.6
},
"2024-25": {
"n": 638,
"n_gt50": 83,
"pct_gt50": 13.0
}
},
"MS": {
"2018-19": {
"n": 244,
"n_gt50": 5,
"pct_gt50": 2.0
},
"2019-20": {
"n": 244,
"n_gt50": 3,
"pct_gt50": 1.2
},
"2020-21": {
"n": 244,
"n_gt50": 22,
"pct_gt50": 9.0
},
"2021-22": {
"n": 243,
"n_gt50": 54,
"pct_gt50": 22.2
},
"2022-23": {
"n": 243,
"n_gt50": 21,
"pct_gt50": 8.6
},
"2023-24": {
"n": 241,
"n_gt50": 19,
"pct_gt50": 7.9
},
"2024-25": {
"n": 238,
"n_gt50": 17,
"pct_gt50": 7.1
}
},
"K8": {
"2018-19": {
"n": 164,
"n_gt50": 8,
"pct_gt50": 4.9
},
"2019-20": {
"n": 164,
"n_gt50": 1,
"pct_gt50": 0.6
},
"2020-21": {
"n": 164,
"n_gt50": 21,
"pct_gt50": 12.8
},
"2021-22": {
"n": 164,
"n_gt50": 51,
"pct_gt50": 31.1
},
"2022-23": {
"n": 164,
"n_gt50": 38,
"pct_gt50": 23.2
},
"2023-24": {
"n": 164,
"n_gt50": 34,
"pct_gt50": 20.7
},
"2024-25": {
"n": 164,
"n_gt50": 30,
"pct_gt50": 18.3
}
},
"HS": {
"2018-19": {
"n": 414,
"n_gt50": 94,
"pct_gt50": 22.7
},
"2019-20": {
"n": 414,
"n_gt50": 59,
"pct_gt50": 14.3
},
"2020-21": {
"n": 412,
"n_gt50": 103,
"pct_gt50": 25.0
},
"2021-22": {
"n": 411,
"n_gt50": 206,
"pct_gt50": 50.1
},
"2022-23": {
"n": 411,
"n_gt50": 138,
"pct_gt50": 33.6
},
"2023-24": {
"n": 411,
"n_gt50": 118,
"pct_gt50": 28.7
},
"2024-25": {
"n": 406,
"n_gt50": 101,
"pct_gt50": 24.9
}
},
"ALL": {
"2018-19": {
"n": 1469,
"n_gt50": 137,
"pct_gt50": 9.3
},
"2019-20": {
"n": 1470,
"n_gt50": 77,
"pct_gt50": 5.2
},
"2020-21": {
"n": 1465,
"n_gt50": 205,
"pct_gt50": 14.0
},
"2021-22": {
"n": 1463,
"n_gt50": 520,
"pct_gt50": 35.5
},
"2022-23": {
"n": 1462,
"n_gt50": 332,
"pct_gt50": 22.7
},
"2023-24": {
"n": 1459,
"n_gt50": 277,
"pct_gt50": 19.0
},
"2024-25": {
"n": 1450,
"n_gt50": 231,
"pct_gt50": 15.9
}
}
},
"dist_stats_by_band": {
"ES": {
"2018-19": {
"n": 643,
"mean": 26.9,
"sd": 13.2,
"p10": 10.2,
"p50": 25.5,
"p90": 45.3,
"pct_gt50": 4.7
},
"2021-22": {
"n": 641,
"mean": 41.8,
"sd": 15.5,
"p10": 20.0,
"p50": 42.4,
"p90": 61.5,
"pct_gt50": 32.4
},
"2024-25": {
"n": 638,
"mean": 34.3,
"sd": 13.5,
"p10": 16.3,
"p50": 35.1,
"p90": 52.6,
"pct_gt50": 13.0
}
},
"MS": {
"2018-19": {
"n": 244,
"mean": 24.6,
"sd": 12.0,
"p10": 8.6,
"p50": 25.8,
"p90": 39.4,
"pct_gt50": 2.0
},
"2021-22": {
"n": 243,
"mean": 38.7,
"sd": 14.6,
"p10": 18.3,
"p50": 39.9,
"p90": 56.8,
"pct_gt50": 22.2
},
"2024-25": {
"n": 238,
"mean": 33.5,
"sd": 11.8,
"p10": 16.2,
"p50": 33.8,
"p90": 48.2,
"pct_gt50": 7.1
}
},
"K8": {
"2018-19": {
"n": 164,
"mean": 25.2,
"sd": 13.9,
"p10": 9.8,
"p50": 22.2,
"p90": 47.4,
"pct_gt50": 4.9
},
"2021-22": {
"n": 164,
"mean": 41.3,
"sd": 16.5,
"p10": 18.9,
"p50": 41.4,
"p90": 64.1,
"pct_gt50": 31.1
},
"2024-25": {
"n": 164,
"mean": 35.2,
"sd": 14.3,
"p10": 16.8,
"p50": 34.7,
"p90": 54.3,
"pct_gt50": 18.3
}
},
"HS": {
"2018-19": {
"n": 414,
"mean": 36.4,
"sd": 15.8,
"p10": 14.3,
"p50": 37.6,
"p90": 56.6,
"pct_gt50": 22.7
},
"2021-22": {
"n": 411,
"mean": 48.6,
"sd": 16.8,
"p10": 25.8,
"p50": 50.3,
"p90": 69.0,
"pct_gt50": 50.1
},
"2024-25": {
"n": 406,
"mean": 39.5,
"sd": 15.3,
"p10": 19.0,
"p50": 39.6,
"p90": 58.5,
"pct_gt50": 24.9
}
}
},
"hist_by_band": {
"bin_width_pp": 5,
"counts": {
"ES": {
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15,
48,
82,
84,
79,
73,
76,
65,
54,
37,
23,
3,
4,
0,
0,
0,
0,
0,
0,
0
],
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15,
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56,
65,
70,
72,
88,
94,
54,
40,
25,
17,
1,
1,
0,
0,
0,
0,
0
]
},
"MS": {
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8,
25,
29,
26,
27,
52,
31,
22,
12,
7,
3,
1,
1,
0,
0,
0,
0,
0,
0,
0
],
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1,
6,
12,
15,
22,
31,
45,
34,
30,
24,
12,
3,
2,
1,
0,
0,
0,
0,
0,
0
]
},
"K8": {
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4,
14,
36,
18,
19,
14,
16,
12,
11,
12,
8,
0,
0,
0,
0,
0,
0,
0,
0,
0
],
"2024-25": [
0,
5,
8,
8,
23,
21,
20,
22,
17,
10,
15,
4,
9,
1,
1,
0,
0,
0,
0,
0
]
},
"HS": {
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3,
20,
22,
28,
33,
40,
38,
49,
47,
40,
45,
22,
19,
5,
3,
0,
0,
0,
0,
0
],
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38,
54,
40,
28,
15,
14,
4,
2,
1,
0,
0,
0
]
}
}
},
"tail_by_unit": {
"borough_2024_25": [
{
"borough": "Manhattan",
"n": 266,
"n_gt50": 78,
"pct_gt50": 29.3,
"weighted_ca": 33.5
},
{
"borough": "Brooklyn",
"n": 439,
"n_gt50": 82,
"pct_gt50": 18.7,
"weighted_ca": 31.9
},
{
"borough": "Bronx",
"n": 336,
"n_gt50": 44,
"pct_gt50": 13.1,
"weighted_ca": 37.5
},
{
"borough": "Staten Island",
"n": 71,
"n_gt50": 6,
"pct_gt50": 8.5,
"weighted_ca": 28.7
},
{
"borough": "Queens",
"n": 338,
"n_gt50": 21,
"pct_gt50": 6.2,
"weighted_ca": 29.8
}
],
"district_2024_25": [
{
"n": 26,
"n_gt50": 16,
"district": "05",
"pct_gt50": 61.5
},
{
"n": 26,
"n_gt50": 13,
"district": "23",
"pct_gt50": 50.0
},
{
"n": 27,
"n_gt50": 13,
"district": "04",
"pct_gt50": 48.1
},
{
"n": 38,
"n_gt50": 14,
"district": "13",
"pct_gt50": 36.8
},
{
"n": 40,
"n_gt50": 14,
"district": "03",
"pct_gt50": 35.0
},
{
"n": 47,
"n_gt50": 16,
"district": "19",
"pct_gt50": 34.0
},
{
"n": 23,
"n_gt50": 7,
"district": "01",
"pct_gt50": 30.4
},
{
"n": 22,
"n_gt50": 6,
"district": "16",
"pct_gt50": 27.3
},
{
"n": 62,
"n_gt50": 15,
"district": "27",
"pct_gt50": 24.2
},
{
"n": 106,
"n_gt50": 25,
"district": "02",
"pct_gt50": 23.6
},
{
"n": 38,
"n_gt50": 8,
"district": "14",
"pct_gt50": 21.1
},
{
"n": 49,
"n_gt50": 10,
"district": "08",
"pct_gt50": 20.4
},
{
"n": 46,
"n_gt50": 9,
"district": "17",
"pct_gt50": 19.6
},
{
"n": 43,
"n_gt50": 8,
"district": "12",
"pct_gt50": 18.6
},
{
"n": 39,
"n_gt50": 7,
"district": "21",
"pct_gt50": 17.9
},
{
"n": 36,
"n_gt50": 6,
"district": "07",
"pct_gt50": 16.7
},
{
"n": 67,
"n_gt50": 10,
"district": "09",
"pct_gt50": 14.9
},
{
"n": 26,
"n_gt50": 3,
"district": "32",
"pct_gt50": 11.5
},
{
"n": 80,
"n_gt50": 8,
"district": "10",
"pct_gt50": 10.0
},
{
"n": 30,
"n_gt50": 3,
"district": "18",
"pct_gt50": 10.0
},
{
"n": 71,
"n_gt50": 6,
"district": "31",
"pct_gt50": 8.5
},
{
"n": 44,
"n_gt50": 3,
"district": "06",
"pct_gt50": 6.8
},
{
"n": 50,
"n_gt50": 3,
"district": "30",
"pct_gt50": 6.0
},
{
"n": 45,
"n_gt50": 2,
"district": "15",
"pct_gt50": 4.4
},
{
"n": 46,
"n_gt50": 2,
"district": "29",
"pct_gt50": 4.3
},
{
"n": 61,
"n_gt50": 2,
"district": "11",
"pct_gt50": 3.3
},
{
"n": 39,
"n_gt50": 1,
"district": "22",
"pct_gt50": 2.6
},
{
"n": 49,
"n_gt50": 1,
"district": "28",
"pct_gt50": 2.0
},
{
"n": 33,
"n_gt50": 0,
"district": "26",
"pct_gt50": 0.0
},
{
"n": 44,
"n_gt50": 0,
"district": "25",
"pct_gt50": 0.0
},
{
"n": 54,
"n_gt50": 0,
"district": "24",
"pct_gt50": 0.0
},
{
"n": 43,
"n_gt50": 0,
"district": "20",
"pct_gt50": 0.0
}
]
},
"worst_tail_2024_25": [
{
"dbn": "02M316",
"name": "Urban Assembly School of Business for Young Women,",
"band": "HS",
"boro": "M",
"ca": 83.2,
"n_students": 131
},
{
"dbn": "14K685",
"name": "El Puente Academy for Peace and Justice",
"band": "HS",
"boro": "K",
"ca": 77.6,
"n_students": 192
},
{
"dbn": "10X351",
"name": "Bronx Collaborative High School",
"band": "HS",
"boro": "B",
"ca": 76.6,
"n_students": 465
},
{
"dbn": "02M520",
"name": "Murry Bergtraum High School for Business Careers",
"band": "HS",
"boro": "M",
"ca": 74.6,
"n_students": 142
},
{
"dbn": "14K157",
"name": "P.S./I.S. 157 The Benjamin Franklin Health & Scien",
"band": "ES",
"boro": "K",
"ca": 74.3,
"n_students": 517
},
{
"dbn": "02M427",
"name": "Manhattan Academy For Arts & Language",
"band": "HS",
"boro": "M",
"ca": 73.8,
"n_students": 324
},
{
"dbn": "01M140",
"name": "P.S. 140 Nathan Straus",
"band": "K8",
"boro": "M",
"ca": 71.8,
"n_students": 418
},
{
"dbn": "02M296",
"name": "High School of Hospitality Management",
"band": "HS",
"boro": "M",
"ca": 71.1,
"n_students": 228
},
{
"dbn": "13K265",
"name": "Dr. Susan S. McKinney Secondary School of the Arts",
"band": "HS",
"boro": "K",
"ca": 71.0,
"n_students": 138
},
{
"dbn": "12X479",
"name": "Bronx Career and College Preparatory High School",
"band": "HS",
"boro": "B",
"ca": 69.8,
"n_students": 162
},
{
"dbn": "03M403",
"name": "The Global Learning Collaborative",
"band": "HS",
"boro": "M",
"ca": 69.2,
"n_students": 428
},
{
"dbn": "03M402",
"name": "The Urban Assembly School for Green Careers",
"band": "HS",
"boro": "M",
"ca": 68.9,
"n_students": 366
},
{
"dbn": "19K660",
"name": "W. H. Maxwell Career and Technical Education High",
"band": "HS",
"boro": "K",
"ca": 68.7,
"n_students": 569
},
{
"dbn": "10X546",
"name": "Bronx Theatre High School",
"band": "HS",
"boro": "B",
"ca": 68.7,
"n_students": 249
},
{
"dbn": "02M425",
"name": "Leadership and Public Service High School",
"band": "HS",
"boro": "M",
"ca": 68.1,
"n_students": 298
},
{
"dbn": "05M129",
"name": "P.S. 129 John H. Finley",
"band": "K8",
"boro": "M",
"ca": 67.4,
"n_students": 270
},
{
"dbn": "02M419",
"name": "Landmark High School",
"band": "HS",
"boro": "M",
"ca": 66.9,
"n_students": 317
},
{
"dbn": "02M399",
"name": "The High School For Language And Diplomacy",
"band": "HS",
"boro": "M",
"ca": 66.5,
"n_students": 158
},
{
"dbn": "05M157",
"name": "The Urban Assembly School for Global Commerce",
"band": "HS",
"boro": "M",
"ca": 66.1,
"n_students": 174
},
{
"dbn": "03M494",
"name": "High School of Arts and Technology",
"band": "HS",
"boro": "M",
"ca": 66.0,
"n_students": 426
}
],
"crossers_2018_19_to_2024_25": {
"into_tail_n": 156,
"out_of_tail_n": 54,
"stayed_in_n": 75,
"n_pairs": 1448,
"into_tail_top": [
{
"dbn": "14K157",
"name": "P.S./I.S. 157 The Benjamin Franklin Health & Scien",
"band": "ES",
"boro": "K",
"ca_2018": 31.6,
"ca_2025": 74.3,
"n_students": 517
},
{
"dbn": "02M297",
"name": "M.S. 297",
"band": "MS",
"boro": "M",
"ca_2018": 15.6,
"ca_2025": 54.9,
"n_students": 364
},
{
"dbn": "02M001",
"name": "P.S. 001 Alfred E. Smith",
"band": "ES",
"boro": "M",
"ca_2018": 19.4,
"ca_2025": 57.6,
"n_students": 238
},
{
"dbn": "02M116",
"name": "P.S. 116 Mary Lindley Murray",
"band": "ES",
"boro": "M",
"ca_2018": 17.9,
"ca_2025": 55.7,
"n_students": 566
},
{
"dbn": "27Q333",
"name": "Goldie Maple Academy",
"band": "K8",
"boro": "Q",
"ca_2018": 16.4,
"ca_2025": 52.1,
"n_students": 328
},
{
"dbn": "15K124",
"name": "P.S. 124 Silas B. Dutcher",
"band": "ES",
"boro": "K",
"ca_2018": 22.7,
"ca_2025": 58.3,
"n_students": 393
},
{
"dbn": "01M332",
"name": "University Neighborhood Middle School",
"band": "MS",
"boro": "M",
"ca_2018": 27.4,
"ca_2025": 61.1,
"n_students": 149
},
{
"dbn": "06M463",
"name": "High School for Media and Communications",
"band": "HS",
"boro": "M",
"ca_2018": 22.5,
"ca_2025": 55.7,
"n_students": 395
},
{
"dbn": "03M149",
"name": "P.S. 149 Sojourner Truth",
"band": "K8",
"boro": "M",
"ca_2018": 21.8,
"ca_2025": 54.4,
"n_students": 285
},
{
"dbn": "03M241",
"name": "STEM Institute of Manhattan",
"band": "ES",
"boro": "M",
"ca_2018": 31.1,
"ca_2025": 61.3,
"n_students": 160
},
{
"dbn": "02M296",
"name": "High School of Hospitality Management",
"band": "HS",
"boro": "M",
"ca_2018": 41.3,
"ca_2025": 71.1,
"n_students": 228
},
{
"dbn": "23K671",
"name": "Mott Hall Bridges Academy",
"band": "MS",
"boro": "K",
"ca_2018": 35.7,
"ca_2025": 65.5,
"n_students": 229
},
{
"dbn": "08X448",
"name": "Soundview Academy for Culture and Scholarship",
"band": "MS",
"boro": "B",
"ca_2018": 27.2,
"ca_2025": 56.5,
"n_students": 255
},
{
"dbn": "28Q312",
"name": "Jamaica Children's School",
"band": "ES",
"boro": "Q",
"ca_2018": 24.4,
"ca_2025": 53.4,
"n_students": 320
},
{
"dbn": "02M427",
"name": "Manhattan Academy For Arts & Language",
"band": "HS",
"boro": "M",
"ca_2018": 44.8,
"ca_2025": 73.8,
"n_students": 324
}
]
},
"pk_sensitivity_es_tail_2024_25": {
"n_pure_em_schools": 997,
"n_gt50_pk8": 122,
"n_gt50_k8": 106,
"n_gt50_1_8": 89,
"note": "pure elementary/middle schools, 2024-25; >50% on the PK-8 (school-wide) vs K-8 (Snapshot) vs 1-8 (accountability) basis"
}
}