Enrollment
1,257
Connecticut · 2024-25 NCES data
High school (grades 9-12) · New Canaan, CT
Federal NCES profile for New Canaan High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 76/100.
The verdict
New Canaan High School earns 76/100 on the Resource Investment Index, with class sizes near the Connecticut median. It is also one of the largest schools in Connecticut.
New Canaan High School has class sizes near the Connecticut median. Computed live against every Connecticut school reporting to NCES.
By Resource Investment Index, New Canaan High School ranks #2 of 5 public schools in New Canaan, CT.
NCES ID 090270000531 Verify on NCES CCD record →
Enrollment
1,257
Connecticut · 2024-25 NCES data
Teachers (FTE)
105.0
Federal CCD staff survey
Students per teacher
12:1
vs 12.1:1 Connecticut avg
-1% vs state
How New Canaan High School compares with Connecticut and U.S. medians
At or below state median
12:1 - 0.1 below the Connecticut state median of 12.1:1, indicating smaller average class loads than typical schools in the state.
New Canaan High School is a large high school in New Canaan, Connecticut, enrolling 1,257 students.
At 12:1, its student-teacher ratio sits close to the Connecticut median, within a few percentage points of the 12.1:1 state norm, neither notably crowded nor notably small.
By headcount it is one of the larger campuses in Connecticut, bigger than 97% of state schools at 1,257 students.
Its Resource Investment Index outscores 98% of the 1,003 Connecticut schools with a score on record, a top-tier result on this measure.
Its student body is led by White (78%) and Asian (9%) (diversity index 38/100).
On the academic-pipeline side it reports 25 Advanced Placement courses.
Counselor coverage is strong, about 157 students per counselor, inside the American School Counselor Association's recommended 250:1.
Attendance holds up well here: only 3.7% of students were chronically absent, below the typical post-pandemic national figure.
New Canaan School District also operates Saxe Middle School (1,271 students) and East School (554 students) alongside New Canaan High School.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
New Canaan High School on the metrics families compare, against Connecticut and U.S. means.
| Metric | This school | vs Connecticut | Connecticut avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 12:1 | ▼ 1% | 12.1:1 | 15.7:1 |
| Enrollment | 1,257 | top 3% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Largest group: White at 78.0% of enrollment.
Simpson diversity index - at 37.7, New Canaan High School is less mixed than the Connecticut school average of 50.5.
District-wide per-pupil expenditure for New Canaan School District, which includes New Canaan High School.
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Saxe Middle School | Similar size | No free-lunch data | Similar S:T ratio |
| East School | Smaller | No free-lunch data | Similar S:T ratio |
| West School | Smaller | No free-lunch data | Similar S:T ratio |
| South School | Smaller | No free-lunch data | Lower S:T ratio |
Comparisons are relative to New Canaan High School's own figures; each column derives from NCES Common Core of Data.
Matched by enrollment size and by staffing ratio across all of Connecticut, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on New Canaan High School's federal record.
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
New Canaan High School has 1,257 students enrolled. It is a high school in New Canaan, CT.
The student-teacher ratio at New Canaan High School is 12:1, which is 1% lower than the Connecticut average of 12.1:1 and 24% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
The largest demographic group at New Canaan High School is White at 78.0% of enrollment, in New Canaan, CT.
New Canaan High School has a Resource Investment Index of 76/100 (higher reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, New Canaan High School ranks #2 of 5 public schools in New Canaan, CT. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in New Canaan on the city page.
New Canaan High School earns 76/100 on the Resource Investment Index, with class sizes near the Connecticut median. It is also one of the largest schools in Connecticut. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
Besides New Canaan High School, New Canaan School District also operates Saxe Middle School (1,271 students), East School (554 students), and West School (481 students). See the New Canaan School District district page for the complete list.
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.
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PlainSchools, “New Canaan High School, New Canaan CT.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/new-canaan-high-school-ct
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