Enrollment
316
High
DISTRICT 302 · STATE 668
SCHOOL COMMUNITY·CHATHAM CENTRAL SCHOOL DISTRICT·NCES 360711000500
CHATHAM HIGH SCHOOL
50 WOODBRIDGE AVE, CHATHAM, NY 12037 · (518) 392-1570 · Columbia County
GRADES 09–12HIGH42-RURALREGULAR SCHOOL316 STUDENTS
A-
allk12 Grade
Scored higher than 79% of New York public high schools
- A-Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- A-Beats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- ·Three-year trend Not available for this school, so the grade uses the other parts.
Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded New York public high schools
Student : Teacher
7.7:1
41 FTE teachers
DISTRICT 8.3:1 · STATE 11.0:1
Free / Reduced Lunch
37%
118 students
DISTRICT 39% · STATE 58%
Community
0
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Grade 9 | 69 | 22% |
| Grade 10 | 74 | 23% |
| Grade 11 | 96 | 30% |
| Grade 12 | 70 | 22% |
| Ungraded | 7 | 2% |
Student demographics
28%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 23% · STATE 72% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
School pathway
Feeds from
Based on grade levels within CHATHAM CENTRAL SCHOOL DISTRICT. Attendance zones can vary; confirm enrollment with the district.
Test scores
NYS Assessments 2024-25 . % Proficient (Level 3 + Level 4)English Language Arts
86.0%
NY avg 58.3% . -4.0pp since 2023
Math
65.0%
NY avg 57.4% . -9.0pp since 2023
What this means: On the NYS Assessments, New York's statewide test, about 86 of every 100 students at this school read and write at grade level and about 65 of 100 do math at grade level. Across all New York schools, those numbers are about 58 and 57. Reading and writing scores are down about 4 points since 2023, while math scores are down about 9 points.
NYS Assessments results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 86.0% | 65.0% |
| 2023-24 | 90.0% | 74.0% |
% Proficient (Level 3 + Level 4), all students and all tested grades.
Source: NYS Assessments. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
76.8%
composite math + reading, all grades
Predicted
61.3%
based on NY schools with similar FRL share
Beats by
+15.6pp
above demographic expectation
What this means: About 77% of students here test proficient in math and reading, compared with the roughly 61% typical for New York schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among New York's top nor bottom 10%.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
Schools most like CHATHAM HIGH SCHOOL
CHATHAM HIGH SCHOOL's state test result (76.8% proficient) is higher than 2 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| CHATHAM HIGH SCHOOL this school | 316 | 37.3% | 76.8% |
| HOOSICK FALLS HIGH SCHOOL HOOSICK FALLS | 342 | 38.9% | 76.8% |
| ROYALTON-HARTLAND HIGH SCHOOL MIDDLEPORT | 337 | 36.2% | 77.2% |
| ATTICA SENIOR HIGH SCHOOL ATTICA | 326 | 36.2% | 81.5% |
| SOUTHWESTERN SENIOR HIGH SCHOOL JAMESTOWN | 376 | 38.0% | 75.7% |
| MARION JUNIOR-SENIOR HIGH SCHOOL MARION | 268 | 39.6% | 69.6% |
Matched among New York high schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where CHATHAM HIGH SCHOOL ranks
Among high schools| Measure | This school | In New York | In Columbia County |
|---|---|---|---|
| State test proficiency ranked highest first | 76.8% | #225 of 1,135 | N/A |
| Math proficiency ranked highest first | 65.0% | #350 of 1,109 ▼ 43 | N/A |
| Reading proficiency ranked highest first | 86.0% | #289 of 1,135 ▼ 26 | N/A |
| Enrollment ranked largest first | 316 | #899 of 1,216 | #3 of 6 |
| Students per teacher ranked fewest first | 7.7:1 | #43 of 1,058 | N/A |
| Diversity index ranked most diverse first | 28.1% | #807 of 1,070 | N/A |
| Free and reduced lunch ranked highest share first | 37.3% | #895 of 1,167 | N/A |
| Enrollment change since 2017-18 ranked steepest decline first | -5.4% | #591 of 743 | N/A |
Ranked against other public high schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
316
-3 (-1%) vs 2020
-27% since 1990-91, when it was 431
Student : Teacher
7.7:1
was 9.1:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 316 | 40.8 | 7.7:1 | 37% (118) |
| 2023-24 | 309 | 34.6 | 8.9:1 | 39% (121) |
| 2022-23 | 323 | 35.2 | 9.2:1 | 41% (132) |
| 2020-21 | 319 | 35 | 9.1:1 | 35% (113) |
| 2017-18 | 334 | 32 | 10.4:1 | 35% (116) |
| 2015-16 | 355 | 32 | 11.1:1 | 37% (130) |
| 2010-11 | 451 | 33 | 13.7:1 | 22% (97) |
| 2000-01 | 457 | 38 | 12.0:1 | 36% (164) |
| 1990-91 | 431 | 39 | 11.1:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for CHATHAM HIGH SCHOOL.
About CHATHAM HIGH SCHOOL
CHATHAM HIGH SCHOOL is a high school with a street address in CHATHAM, New York. The school counts 316 students across grades 9 through 12. The school's enrollment is 53% smaller than the 668 average for high schools in New York.
CHATHAM HIGH SCHOOL is part of a district of 3 schools: CHATHAM CENTRAL SCHOOL DISTRICT, with 907 students.
The large majority of students at CHATHAM HIGH SCHOOL, 84%, are White. The remaining shares are 9% Hispanic and 6% multiracial. County-wide, about 83% of residents are White. The chance that two students picked at random at CHATHAM HIGH SCHOOL belong to different racial or ethnic groups, known as the diversity index, is 28%.
With 40.8 full-time-equivalent teachers in 2024-25, the ratio at CHATHAM HIGH SCHOOL was 7.7:1. The 11.0:1 average for high schools in New York is higher than this school's figure. A measure often used for student poverty, free or reduced-price lunch eligibility, stands at 37%. By comparison, the figure for public schools in Columbia County is 48%.
The allk12 Grade for CHATHAM HIGH SCHOOL is A-. Compared with New York public high schools, the school scored higher than 79% on a mix of test scores, poverty-adjusted results, and recent trend.
On BeatsExpectations, CHATHAM HIGH SCHOOL is 15.6 points above its prediction, a result in the middle 80% of New York schools.
Across Columbia County, median household income is about $81,528, a bachelor's degree or higher is held by about 39% of adults, and the poverty rate is about 9%. CHATHAM HIGH SCHOOL is among the 17 public schools in Columbia County.
MARY E DARDESS ELEMENTARY SCHOOL is located about 0.1 miles from CHATHAM HIGH SCHOOL. Within five miles are 2 other public schools. Among its closest neighbors with test data, CHATHAM HIGH SCHOOL is 2nd of 9 on proficiency.
Federal data place CHATHAM HIGH SCHOOL in the Rural: Distant locale, which means it is in rural territory some distance from an urban area.
Enrollment in 2024-25 was 316, close to the 319 recorded in 2020-21. From 2020-21 to 2024-25, the ratio fell from 9.1:1 to 7.7:1.
Conversations here can range across science fairs, picture day, and bus routes. Posting is open to anyone connected to the school.
Columbia County at a glance
View full county profilePopulation
61,100
Census ACS
Median income
$81,528
Household, ACS
Bachelor's+
39%
Adults 25+
Poverty rate
9%
Below federal line
Schools in county
17
6,006 students
Quick facts
Related schools
Other schools in CHATHAM CENTRAL SCHOOL DISTRICT
- MARY E DARDESS ELEMENTARY SCHOOLElementary · 365 students
- CHATHAM MIDDLE SCHOOLMiddle · 226 students
Other schools in CHATHAM
- MARY E DARDESS ELEMENTARY SCHOOLElementary · 365 students
- CHATHAM MIDDLE SCHOOLMiddle · 226 students
Other Chatham High schools
2 other US public schools in 3 states are named Chatham High. CHATHAM HIGH SCHOOL is the 3rd largest of the 3.
- Chatham High SchoolCHATHAM, NJ · 1,205 students
- Chatham HighChatham, VA · 609 students
Nearby schools
- MARY E DARDESS ELEMENTARY SCHOOL0.1 mi · 365
- CHATHAM MIDDLE SCHOOL0.4 mi · 226
- ICHABOD CRANE MIDDLE SCHOOL5.8 mi · 647
- ICHABOD CRANE SENIOR HIGH SCHOOL5.9 mi · 557
- ICHABOD CRANE ELEMENTARY SCHOOL6.0 mi · 475
- COXSACKIE-ATHENS HIGH SCHOOL10.2 mi · 379
Frequently asked questions
About CHATHAM HIGH SCHOOLWhat is the total enrollment at CHATHAM HIGH SCHOOL?
CHATHAM HIGH SCHOOL enrolls approximately 316 students in grades 09-12.
What age range does CHATHAM HIGH SCHOOL serve?
CHATHAM HIGH SCHOOL serves students from grade 09 through grade 12.
How many students per teacher at CHATHAM HIGH SCHOOL?
Approximately 7.7:1 students per teacher at CHATHAM HIGH SCHOOL.
What is the student diversity at CHATHAM HIGH SCHOOL?
Student demographics at CHATHAM HIGH SCHOOL are roughly 84% White, 9% Hispanic, 1% Black, 1% Asian, 6% Two or more.
Is CHATHAM HIGH SCHOOL public or private?
CHATHAM HIGH SCHOOL is a public K-12 school, overseen by CHATHAM CENTRAL SCHOOL DISTRICT.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.