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56,681 columns in the coverage ledger · read from /api/field-coverage on citytap-prod · source last observed Oct 12, 2026, 9:36 AM
3,026 datasets, 56,681 catalogued fields, 0 of them still unread. Every band below is a share of that, worst first. Open one to see its datasets.
Gaps in the data behind this page
Source last observed Oct 12, 2026, 9:00 AM.
710 of the 3,026 datasets in the catalog hold no queryable rows.
710 / 3,026
Source: /api/field-coverage
Check it yourself: /api/field-coverage#/catalog/datasets_not_queryable
53 of the 2,408 mirrored datasets lag the source they copy.
53 / 2,408
Source: /api/scorecard
Check it yourself: /api/scorecard#/mirror_lag/datasets_behind
This note returns on its own when the measurement moves.
These pages state their own gaps: /datasets, /freshness, /scorecard, /scorecard/fields, /analyses, /ontology, /graph, /alerts, any topic page under /domains, any dataset page.
Showing 25 of 993 datasets
Every year, all parents, all teachers, and students in grades 6 - 12 take the NYC School Survey. The survey ranks among the largest surveys of any kind ever conducted nationally. Survey results provid…
2018-2019 Class size pupil to teacher statistics.
2018-2019 Class Size School report for kindergarten through eighth grades by program type, number of students, number of classes and average class size.
2018-2019 Class Size District report for middle and high school grades by program type, number of students, number of classes and average class size.
2018-2019 Class Size Borough report for middle and high school grades by program type, number of students, number of classes and average class size.
2018-2019 Class Size District report for kindergarten through eighth grades by program type, number of students, number of classes and average class size.
2018-2019 Class Size Borough report for kindergarten through eighth grades by program type, number of students, number of classes and average class size.
2018-2019 Class Size Citywide report for middle and high schools grades by program type, number of students, number of classes and average class size.
2018-2019 Class Size Citywide report for kindergarten through eighth grades by program type, number of students, number of classes and average class size.
2018-2019 Class Size District report for middle and high school grades by program type, number of students, number of classes and average class size.
2018-2019 Class Size District report for kindergarten through eighth grades by program type, number of students, number of classes and average class size.
2018-2019 Class Size Borough report for middle and high school grades by program type, number of students, number of classes and average class size.
2018-2019 Class Size Borough report for kindergarten through eighth grades by program type, number of students, number of classes and average class size.
2018-2019 Class Size Citywide report for middle and high school grades by program type, number of students, number of classes and average class size.
2018-2019 Class Size Citywide report for kindergarten through eighth grades by program type, number of students, number of classes and average class size.
Highway Travel Permits are issued almost exclusively to companies operating high occupancy vehicles (i.e. commuter/school buses and vans) for use of parkways otherwise available only to passenger vehi…
Highway Travel Permits are issued to not-for-profit organizations, summer camps, and others using high occupancy vehicles (e.g. Construction projects, school buses, and vans) to access parkways otherw…
Local Law 177 enacted in 2016 requires the Department of Education of the New York City School District to submit to the Council an annual report concerning computer science education for the prior sc…
Local Law 174 enacted in 2016 requires the Department of Education of the New York City School District to submit to the Council an annual report concerning Career and Technical Education programs in…
CityBench is an initiative to increase the amount of public seating on New York City’s streets. Department of Transportation (DOT) installs attractive and durable benches around the city, particularly…
Local Law 102 enacted in 2015 requires the Department of Education of the New York City School District to submit to the Council an annual report concerning physical education for the prior school yea…
Local Law 102 enacted in 2015 requires the Department of Education of the New York City School District to submit to the Council an annual report concerning physical education for the prior school yea…
Local Law 102 enacted in 2015 requires the Department of Education of the New York City School District to submit to the Council an annual report concerning physical education for the prior school yea…
Local Law 102 enacted in 2015 requires the Department of Education of the New York City School District to submit to the Council an annual report concerning physical education for the prior school yea…
Local Law 102 enacted in 2015 requires the Department of Education of the New York City School District to submit to the Council an annual report concerning physical education for the prior school yea…