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Coverage

46,873 of 56,681 columns decided — 82.7% · 9,148 bound (16.1%) · 9,808 still unread

Bound: 9,148; 16.1%; a concept was found and asserted for the column.
Refused: 29,070; 51.3%; the column was read and no concept fits. A verdict, not a gap.
Insufficient: 8,655; 15.3%; read, but the evidence did not settle it.
Unanalysed: 9,808; 17.3%; nobody has read this column yet.

56,681 columns in the coverage ledger · read from /api/field-coverage on citytap-prod · source last observed Oct 10, 2026, 3:52 PM

Where the unread columns are

3,026 datasets, 56,681 catalogued fields, 9,808 of them still unread. Every band below is a share of that, worst first. Open one to see its datasets.

2015-2018 School Closure Discharge Reporting

abh8-frsx

← What we have understood · Dataset page

Fields catalogued

Understood

Checked, no match

Nobody has looked

Most read — At least three quarters of their fields carry a verdict.

Every field in this dataset

Covered and uncovered alike, in the order the publisher lists them. A field with no verdict is one nobody has looked at yet.

Field	Type	What we know	Meaning	How it was decided	Shared term
report_category Report Category	Text	Understood	category.classification Publisher classification	dictionary_read Report is disaggregated by 6 different categories: Age, ELL (English language learner), Ethnicity, Gender, Grade, SWD (students with disabilities)	—
geography Geography	Text	Understood	category.classification Publisher classification	dictionary_read Report is disaggregated by citywide, borough, school district, or individual school.	—
category_group Category Group	Text	Understood	category.classification Publisher classification	dictionary_read Each of the report category/subcategory consists of 6 types: Attendance, Credit Recovery, Discharge Code, GPA, SWD Status, To School	—
borough Borough	Text	Understood	place.borough Borough	value_domain_read	borough
report_subcategory Report Subcategory	Text	Nobody has looked	—	—	—
value_percentage Value Percentage	Text	Checked, no match	—	dictionary_read Percentage of students per each metrics	—
dbn DBN	Text	Understood	identifier.school_dbn School DBN	value_profile District Borough Number	—
school_year School Year	Text	Understood	time.fiscal_period Fiscal or school period	dictionary_read School year of the report	—
district District	Text	Understood	place.school_district Community School District	dictionary_read NYC school district	school_district
category_subgroup Category Subgroup	Text	Checked, no match	—	value_domain_read card=525 nonnull=147156 null=0 smallest=01M142 largest=Voluntary withdrawals or dis	—
value Value	Text	Nobody has looked	—	—	—