Enrollment
1,737
Connecticut · 2024-25 NCES data
2024-25 NCES data High school (grades 9-12) NCES 090162000283
Glastonbury High School — Glastonbury, CT
Federal NCES profile for Glastonbury High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators — Resource Investment Index 65/100.
👥 Class size 49
📚 AP courses 100
🌟 Gifted program 30
🎓 Counselors 71
📋 Attendance 77
How this works: Each indicator above is scored 0–100 from federal NCES and CRDC data, then averaged into the Resource Investment Index. This measures resource allocation — staffing, programs, and support services — not standardized test scores or academic outcomes. Full methodology →
School address
District: Glastonbury School District · Connecticut
Public location data per NCES (National Center for Education Statistics) Common Core of Data. Verify the school's current address on the NCES CCD record.
Teachers (FTE)
141.0
Federal CCD staff survey
Students per teacher
12.8:1
vs 12.1:1 Connecticut avg
+6% vs state
Free-lunch eligible
9.7%
vs 36.4% Connecticut avg
-73% vs state
Student-teacher ratio in context
How Glastonbury High School compares with Connecticut and U.S. medians
The federal record — no proprietary index, no editorial formula.
PlainSchools publishes the actual federal measurements — enrollment, staffing, demographics, discipline, and finance — straight from the NCES Common Core of Data, CRDC, and F-33 surveys. No composite rating, no opinion-based score on top. You get the same raw numbers researchers and policymakers use, with benchmarks, spending context, and equity indicators computed from the same federal datasets. Full methodology linked below.
What this school's NCES data tells you
Glastonbury High School reports 1,737 enrolled students to the National Center for Education Statistics (NCES) alongside 141.0 full-time-equivalent teachers, producing a 12.8:1 student-teacher ratio. That figure sits 6% above the Connecticut state mean of 12.1:1, signalling larger average class loads than peers in the same state. Against the national 2024-25 average of 15.9:1, it is 19% lower, a useful calibration for families comparing districts across state lines.
Title I and federal lunch eligibility offer another window into the student body: 9.7% of pupils qualify for free meals, a proxy for household income that federal programs use to direct funding. The free-lunch share is 73% below the Connecticut average and 81% below the national baseline. The school offers 21 Advanced Placement courses, a stronger academic pipeline indicator than enrollment alone. Counselor coverage works out to roughly 145 students per counselor, meeting the American School Counselor Association recommendation of 250:1. Chronic absenteeism — missing 10% or more of school days — stands at 9.2% according to the 2021-22 Civil Rights Data Collection.
On the finance side, the surrounding Glastonbury School District spends $25,669 per pupil district-wide, below the Connecticut average of $28,239 and above the national average of $19,490. Revenue comes 76.2% from local sources (property taxes), 19.2% from the state, and 4.6% from federal programs per the NCES F-33 finance survey. Taken together, these measurements produce a Resource Investment Index of 65/100 (B-), calculated from 5 distinct NCES and CRDC indicators measuring resource allocation rather than academic outcomes.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Glastonbury High School compares
Cross-validating school-level NCES values against Connecticut state and U.S. national means lets readers see whether this school is an outlier or in line with peers.
| Metric | This school | vs Connecticut | Connecticut avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 12.8:1 | ▲ 6% | 12.1:1 | 15.9:1 |
| Free-lunch eligible | 9.7% | ▼ 73% | 36.4% | 51.8% |
| Enrollment | 1,737 | top 99% | — | — |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
What the federal data reveals about equity at this school
Federal measurements — not ratings — surface the resource and opportunity picture. Below are the indicators that researchers, civil-rights monitors, and funding formulas use to assess equity.
Economic need
9.7%
free-lunch eligible
— 73% below the Connecticut average of 36.4%
Below the 40% Title I threshold — federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
12.8:1
students per teacher
— 6% above state mean
Top 71% in Connecticut — lower ratio than 29% of state schools
Below the 15:1 benchmark — typical of schools with smaller class sizes and more individualized attention.
Engagement
9.2%
chronically absent (missed 10%+ of school days)
Below 10% — strong attendance relative to the post-pandemic national landscape.
Funding equity
$25,669
per pupil, district-wide
— below Connecticut avg of $28,239
Above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors12.0 FTE
Per 145 students — the combined health-and-guidance staffing load for this school.
Discipline context
93
in-school suspensions + 7 out-of-school
Suspension rate: 5.4 per 100 students. Combined in-school and out-of-school rate: 5.8 per 100 students. Reported via the Civil Rights Data Collection. Includes 1 expulsion.
Overview
Enrollment 1,737 Top 99% in Connecticut — larger than 1% of 1,005 state schools
Teachers (FTE) 141.0
Students per teacher 12.8:1 +6% vs state
Free-lunch eligible 9.7% -73% vs state
NCES ID 090162000283
Student demographics
White 64.0%
Asian 13.7%
Hispanic or Latino 12.9%
Two or More 5.9%
African American 3.3%
American Indian / Alaska Native 0.1%
Largest group: White at 64.0% of enrollment.
Programs & staff
AP courses offered 21
Counselors (FTE) 12.0
Students per counselor 145:1
Discipline & special education
Chronically absent 9.2%
In-school suspensions 93
Out-of-school suspensions 7
Expulsions 1
Funding & spending
District-wide per-pupil expenditure for Glastonbury School District, which includes Glastonbury High School.
$25,669
Per student
-9%
vs Connecticut
Avg $28,239
+32%
vs U.S.
Avg $19,490
Revenue mix
Local 76.2%
State 19.2%
Federal 4.6%
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.
Other Schools in This District
- Enrollment
- 875
- Students per teacher
- 11.1:1
- Enrollment
- 551
- Students per teacher
- 10.2:1
- Enrollment
- 533
- Students per teacher
- 13:1
- Enrollment
- 461
- Students per teacher
- 12.3:1
- Enrollment
- 458
- Students per teacher
- 13.5:1
Educator & family resources
In-depth guides on understanding NCES data, school choice, and education funding.
Understanding NCES data
How CCD, CRDC and EDFacts feed every public-school number you see.
Choose a school district
Eight signals that matter more than the overall ranking number.
How schools are funded
Title I, F-33, state aid formulas and what per-pupil spending really means.
Chronic absenteeism
Why missing 10% of school matters and how it varies by district.
Magnet vs charter vs traditional
Three school types, three funding models, three sets of trade-offs.
School discipline data
What CRDC suspension and expulsion records do and don't reveal.
Frequently asked questions about Glastonbury High School
How many students attend Glastonbury High School?
Glastonbury High School has 1,737 students enrolled. It is a high school in Glastonbury, CT.
What is the student-teacher ratio at Glastonbury High School?
The student-teacher ratio at Glastonbury High School is 12.8:1, which is 6% higher than the Connecticut average of 12.1:1 and 19% lower than the national average of 15.9:1.
What percentage of students receive free lunch at Glastonbury High School?
9.7% of students at Glastonbury High School are eligible for free lunch, compared to the Connecticut average of 36.4%.
What is the racial and ethnic makeup of Glastonbury High School?
The largest demographic group at Glastonbury High School is White at 64.0%. The school serves a diverse student body in Glastonbury, CT.
What is the Resource Investment Index for Glastonbury High School?
Glastonbury High School has a Resource Investment Index of 65/100 (B-) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. This index measures federal resource allocation — staffing levels, program availability, and support services — not standardized test scores or academic outcomes.