- Enrollment
- 875
- Students per teacher
- 11.4:1
- Resource Index
- 55/100
High school (grades 9-12) · Glastonbury, CT
Glastonbury High School
Federal NCES profile for Glastonbury High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 57/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 090162000283
👥 S:T ratio 51
🌟 Gifted program 30
🎓 Counselors 71
📋 Attendance 77
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Glastonbury High School earns 57/100 on the Resource Investment Index, with class sizes near the Connecticut median. It is also one of the largest schools in Connecticut.
- #1 of 7
- public schools in Glastonbury · Resource Index
- 57
- Resource Index · Higher
- 12.3:1
- students per teacher
- 9.7%
- free-lunch eligible
Glastonbury High School has class sizes near the Connecticut median. Computed live against every Connecticut school reporting to NCES.
By Resource Investment Index, Glastonbury High School ranks #1 of 7 public schools in Glastonbury, CT.
School address
District: Glastonbury School District · Connecticut
NCES ID 090162000283 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-21 students YoY
Glastonbury High School held near 1,780 students from 2022-23 to 2023-24 (-21 headcount).
Teacher FTE lost 141.9 → 136.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-21 students YoY 090162000283 · Glastonbury, CT High · MID · TRAD
1,737 enr · 12.3:1 · 9.7% lunch · RII 57
Nearest enrollment peer: Smith Middle School (875 students)
Glastonbury High School held near 1,780 students from 2022-23 to 2023-24 (-21 headcount). Teacher FTE lost 141.9 → 136.0 across the same CCD years. Read with this school → · District book → · Connecticut schools → · Find another →
Glastonbury High School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- This school
Glastonbury High School
1,737 students
- Smith Middle S
Smith Middle School
875 students
- Gideon Welles 551
Gideon Welles School
551 students
- Nayaug Element 533
Nayaug Elementary School
533 students
- Buttonball Lan 461
Buttonball Lane School
461 students
- Hebron Avenue 458
Hebron Avenue School
458 students
What this shows Glastonbury High School reports 1,737 students on the CCD universe file.
How Glastonbury High School compares
Glastonbury High School held steady on CCD headcount: ratios and free-lunch share vs Connecticut and U.S. means.
| Metric | This school | vs Connecticut | Connecticut avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 12.3:1 | ▲ 2% | 12.1:1 | 15.7:1 |
| Free-lunch eligible | 9.7% | ▼ 73% | 36.4% | 51.7% |
| Enrollment | 1,737 | top 1% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
12.3:1
Leaner classes than 73% of US schools, among the more generously staffed nationally.
1,737
Bigger than 97% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
Economic need
9.7%
free-lunch eligible
- 73% below the Connecticut average of 36.4%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
12.3:1
students per teacher
- 2% above state mean
Top 64% in Connecticut - lower ratio than 36% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
9.2%
chronically absent (missed 10%+ of school days)
In the 5-10% range, close to the pre-pandemic national baseline.
Funding equity
$24,231
per pupil, district-wide
- below Connecticut avg of $24,680
Well above the U.S. public-school average, reflecting substantially 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.
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.
Student-body diversity index 55.0/100
Simpson diversity index - at 55.0, Glastonbury High School is more mixed than the Connecticut school average of 50.5.
Programs
AP courses offered 21
District finance for Glastonbury School District reports $24,231 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Glastonbury High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Smith Middle School | Smaller | Similar economic need | Similar S:T ratio |
| Gideon Welles School | Smaller | Similar economic need | Similar S:T ratio |
| Nayaug Elementary School | Smaller | Similar economic need | Similar S:T ratio |
| Buttonball Lane School | Smaller | Similar economic need | Similar S:T ratio |
| Hebron Avenue School | Smaller | Similar economic need | Similar S:T ratio |
Comparisons are relative to Glastonbury High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 551
- Students per teacher
- 11:1
- Resource Index
- 53/100
- Enrollment
- 533
- Students per teacher
- 13.3:1
- Resource Index
- 52/100
- Enrollment
- 461
- Students per teacher
- 12.8:1
- Resource Index
- 56/100
- Enrollment
- 458
- Students per teacher
- 13.5:1
- Resource Index
- 52/100
Nationwide high schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~1,737 students)
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. CCD year-over-year: 1,801 (2022-23) → 1,780 (2023-24), nearly flat (-21).
What is the student-teacher ratio at Glastonbury High School?
The student-teacher ratio at Glastonbury High School is 12.3:1, which is 2% higher than the Connecticut average of 12.1:1 and 22% lower than the national average of 15.7:1.
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% of enrollment, in Glastonbury, CT. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 55.0/100.
What is the Resource Investment Index for Glastonbury High School?
Glastonbury High School has a Resource Investment Index of 57/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Glastonbury High School rank among public schools in Glastonbury?
By Resource Investment Index, Glastonbury High School ranks #1 of 7 public schools in Glastonbury, 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 Glastonbury on the city page.
What other schools are in Glastonbury School District?
Besides Glastonbury High School, Glastonbury School District also operates Smith Middle School (875 students), Gideon Welles School (551 students), and Nayaug Elementary School (533 students). See the Glastonbury School District district page for the complete list.