Class Size Report Distribution Summary (2010-2015)
Average class sizes for each borough and district 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, 10:35 AM
- Rows in our copy
- 74,366
- Rows at the source
- 74,366
- 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 12 columns carry a concept; 12 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 |
|---|---|---|---|---|---|---|---|---|
grade_level | GRADE LEVEL | The student’s grade level. | Not bound | Text | grade_level | text | — | |
percent_of_students_in_borough | PERCENT OF STUDENTS IN BOROUGH / GRADE / PROGRAM / SUBJECT | This metric represents the proportion of students who are enrolled in a specific combination of Borough, Grade Level, Program Type and Subject | Not bound | Number | percent_of_students_in_borough | numeric | — | |
csd | CSD | Community School District | school_districtdeclared | Text | csd | text | — | |
core_subject | CORE SUBJECT | Subject of Instruction | Not bound | Text | core_subject | text | — | |
class_size | CLASS SIZE | Indicates the number of students in the class | Not bound | Text | class_size | text | — | |
service_category | SERVICE CATEGORY | Denotes students population to teacher ratio per program type | Not bound | Text | service_category | text | — | |
borough | BOROUGH | NYC Borough | boroughdeclared | Text | borough | text | — | |
program_type | PROGRAM TYPE | The types of classes students are enrolled in. | Not bound | Text | program_type | text | — |
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This file was produced on Aug 25, 2026, 10:14 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/9ksk-35jf
- Version
- Content hash:
836ecc326448a5b1daaa41c39f90d552750a922ab7b11004dc1363754ae83fa7 - What we changed
- We did not change the data. We stored it as published.
- Publisher
- codenownyc
- We retrieved it
- Jun 4, 2025, 10:35 AM
Update history
| Started | Kind | Result | Rows written | Produced by |
|---|---|---|---|---|
| Aug 25, 2026, 2:22 PM | full_replace | success | 74,366 | codenow-nycmesh-container-oci.jfrog.io/codenow/citytap-pull:0.1.71 |