Class Size Report Detail Summary (2010-2015)
Average class sizes for each borough, district and school by grade and program type.
Open in the graph · Relate this dataset · What these columns mean
Freshness
The publisher's promise
How the agency that publishes this data says it keeps the data current.
Dormant
- Says it updates
- Historical data
- Actually updates about every
- —
- Publisher last updated the data
- Jun 4, 2025
Our mirror
Whether our copy of this data is current with the source.
In sync
- We last synced
- Jun 4, 2025, 9:39 AM
- Rows in our copy
- 167,839
- Rows at the source
- 167,839
- Our copy trails the source by
- under a minute
Columns
Each source column, with the name and type we use to store it.
2 of 18 columns carry a concept; 18 carry a description from the publisher. Read the concept column before you join. A column with no concept carries no claim from us, and a name that looks like a key is not one.
| Source field | Display name | What the publisher says it is | Concept | Source type | Stored as | Stored type | Row identifier | Unit |
|---|---|---|---|---|---|---|---|---|
service_category_k_9_only | SERVICE CATEGORY(K-9* ONLY) | Denotes students population to teacher ratio per program type | Not bound | Text | service_category_k_9_only | text | — | |
size_of_smallest_class | SIZE OF SMALLEST CLASS | Denotes the smallest class size for each school | Not bound | Text | size_of_smallest_class | text | — | |
number_of_students_seats | NUMBER OF STUDENTS / SEATS FILLED | Indicates the number of students in the class and count of seats they occupy | Not bound | Number | number_of_students_seats | numeric | — | |
average_class_size | AVERAGE CLASS SIZE | Average number of students in a class or course | Not bound | Number | average_class_size | numeric | — | |
schoolwide_pupil_teacher | SCHOOLWIDE PUPIL-TEACHER RATIO | Ratio of Teacher to Students | Not bound | Text | schoolwide_pupil_teacher | text | — | |
report_type | REPORT TYPE | Indicates the level of aggregation | Not bound | Text | report_type | text | — | |
csd | CSD | Community School District | school_districtdeclared | Text | csd | text | — | |
core_subject_ms_core_and | CORE SUBJECT (MS CORE and 9-12 ONLY) | Subject of Instruction | Not bound |
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This file was produced on Aug 26, 2026, 10:54 PM.
Refresh this dataset
Source and attribution
Where this data comes from, which version we hold, and what we changed.
- Source
- https://data.cityofnewyork.us/d/nbpb-zygj
- Version
- Content hash:
4ff4cec016e951cb9403169e492cc6cc1ede7b6b7bf8a1ae84a0c2f96da76e59 - What we changed
- We did not change the data. We stored it as published.
- Publisher
- codenownyc
- We retrieved it
- Jun 4, 2025, 9:39 AM
Update history
| Started | Kind | Result | Rows written | Produced by |
|---|---|---|---|---|
| Aug 26, 2026, 2:34 AM | full_replace | success | 167,839 | codenow-nycmesh-container-oci.jfrog.io/codenow/citytap-pull:0.1.72 |