Enrollment
1,008
Connecticut · 2024-25 NCES data
High school (grades 9-12) · Guilford, CT
Guilford High School
Federal NCES profile for Guilford High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 56/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 090180000332
👥 S:T ratio 54
📚 AP courses 85
🌟 Gifted program 30
🎓 Counselors 60
📋 Attendance 53
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Guilford High School earns 56/100 on the Resource Investment Index, with class sizes near the Connecticut median.
- #7 of 7
- public schools in Guilford · Resource Index
- 56
- Resource Index · Higher
- 11.6:1
- students per teacher
- 8.0%
- free-lunch eligible
Guilford High School has class sizes near the Connecticut median. Computed live against every Connecticut school reporting to NCES.
By Resource Investment Index, Guilford High School ranks #7 of 7 public schools in Guilford, CT.
School address
District: Guilford School District · Connecticut
NCES ID 090180000332 Verify on NCES CCD record →
Teachers (FTE)
87.0
Federal CCD staff survey
Students per teacher
11.6:1
vs 12.1:1 Connecticut avg
-4% vs state
Free-lunch eligible
8.0%
vs 36.4% Connecticut avg
-78% vs state
Student-teacher ratio in context
How Guilford High School compares with Connecticut and U.S. medians
What stands out at Guilford High School
Guilford High School is a lower-poverty, large high school in Guilford, Connecticut, enrolling 1,008 students.
At 11.6:1, 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.
Comparatively few students face economic hardship here, 8.0% free-meal eligibility runs 78% below the Connecticut average.
By headcount it is one of the larger campuses in Connecticut, bigger than 94% of state schools at 1,008 students.
Its Resource Investment Index sits near the middle of the pack among 1,003 scored Connecticut schools.
Among 78 similarly sized, similarly resourced-need Connecticut schools statewide, it ranks #57, in the lower tier once campus size and economic need are matched.
Its student body is led by White (80%) and Hispanic or Latino (9%) (diversity index 35/100).
On the academic-pipeline side it reports 17 Advanced Placement courses.
Counselor coverage is strong, about 202 students per counselor, inside the American School Counselor Association's recommended 250:1.
Attendance runs somewhat below the norm, with 18.7% of students chronically absent per the 2021-22 civil-rights collection.
The federal civil-rights collection also records 1 expulsion at this campus for 2021-22.
Guilford School District also operates E. C. Adams Middle School (478 students) and A. Baldwin Middle School (463 students) alongside Guilford 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
How Guilford High School compares
Guilford 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 | 11.6:1 | ▼ 4% | 12.1:1 | 15.7:1 |
| Free-lunch eligible | 8.0% | ▼ 78% | 36.4% | 51.7% |
| Enrollment | 1,008 | top 6% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
11.6:1
Leaner classes than 79% of US schools, among the more generously staffed nationally.
1,008
Bigger than 91% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
8.0%
free-lunch eligible
- 78% 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
11.6:1
students per teacher
- 4% below state mean
Top 50% in Connecticut - lower ratio than 50% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
18.7%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$23,399
per pupil, district-wide
- below Connecticut avg of $23,870
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors5.0 FTE
Per 202 students, the combined health-and-guidance staffing load for this school.
Discipline context
41
in-school suspensions + 17 out-of-school
Suspension rate: 4.1 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
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
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.
Student demographics
White 79.8%
Hispanic or Latino 8.5%
Two or More 5.6%
Asian 4.1%
African American 1.9%
Native Hawaiian / Pacific Islander 0.2%
Largest group: White at 79.8% of enrollment.
Student-body diversity index 35.1/100
Simpson diversity index - at 35.1, Guilford High School is less mixed than the Connecticut school average of 50.5.
Programs
AP courses offered 17
Funding & spending
District-wide per-pupil expenditure for Guilford School District, which includes Guilford High School.
$23,399
Per student
-2%
vs Connecticut
Avg $23,870
+41%
vs U.S.
Avg $16,593
Revenue mix
Local 81.3%
State 14.9%
Federal 3.8%
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.
How Guilford High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| E. C. Adams Middle School | Smaller | Similar economic need | Similar S:T ratio |
| A. Baldwin Middle School | Smaller | Similar economic need | Similar S:T ratio |
| Guilford Lakes School | Smaller | Similar economic need | Higher S:T ratio |
| Melissa Jones School | Smaller | Similar economic need | Similar S:T ratio |
| A. W. Cox School | Smaller | Similar economic need | Similar S:T ratio |
Comparisons are relative to Guilford High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 478
- Students per teacher
- 10.6:1
- Resource Index
- 62/100
- Enrollment
- 463
- Students per teacher
- 11.3:1
- Resource Index
- 52/100
- Enrollment
- 369
- Students per teacher
- 13.2:1
- Resource Index
- 55/100
- Enrollment
- 265
- Students per teacher
- 11.5:1
- Resource Index
- 52/100
- Enrollment
- 255
- Students per teacher
- 12.1:1
- Resource Index
- 55/100
Similar high schools statewide
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.
Similar enrollment (~1,008 students)
Next steps
Verify locally before acting on Guilford High School's federal record.
- Compare Guilford High School against another school. Compare schools
- Guilford School District's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
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.
Frequently asked questions about Guilford High School
How many students attend Guilford High School?
Guilford High School has 1,008 students enrolled. It is a high school in Guilford, CT.
What is the student-teacher ratio at Guilford High School?
The student-teacher ratio at Guilford High School is 11.6:1, which is 4% lower than the Connecticut average of 12.1:1 and 26% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Guilford High School?
8.0% of students at Guilford High School are eligible for free lunch, compared to the Connecticut average of 36.4%.
What is the racial and ethnic makeup of Guilford High School?
The largest demographic group at Guilford High School is White at 79.8% of enrollment, in Guilford, CT.
What is the Resource Investment Index for Guilford High School?
Guilford High School has a Resource Investment Index of 56/100 (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).
How does Guilford High School rank among public schools in Guilford?
By Resource Investment Index, Guilford High School ranks #7 of 7 public schools in Guilford, 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 Guilford on the city page.
Is Guilford High School a good school?
Guilford High School earns 56/100 on the Resource Investment Index, with class sizes near the Connecticut median. 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.
What other schools are in Guilford School District?
Besides Guilford High School, Guilford School District also operates E. C. Adams Middle School (478 students), A. Baldwin Middle School (463 students), and Guilford Lakes School (369 students). See the Guilford School District district page for the complete list.
Related tools
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.