- Enrollment
- 478
- Students per teacher
- 10.6:1
- Resource Index
- 62/100
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 49/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 090180000332
👥 S:T ratio 54
🌟 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 49/100 on the Resource Investment Index, with class sizes near the Connecticut median.
- #7 of 7
- public schools in Guilford · Resource Index
- 49
- 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 →
CCD year-over-year · 2022-23 → 2023-24
-22 students YoY
Guilford High School held near 1,026 students from 2022-23 to 2023-24 (-22 headcount).
Teacher FTE lost 87.4 → 85.1 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-22 students YoY 090180000332 · Guilford, CT High · MID · TRAD
1,008 enr · 11.6:1 · 8.0% lunch · RII 49
Nearest enrollment peer: E. C. Adams Middle School (478 students)
Guilford High School held near 1,026 students from 2022-23 to 2023-24 (-22 headcount). Teacher FTE lost 87.4 → 85.1 across the same CCD years. Read with this school → · District book → · Connecticut schools → · Find another →
Guilford High School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- This school
Guilford High School
1,008 students
- E. C. Adams Mi
E. C. Adams Middle School
478 students
- A. Baldwin Mid
A. Baldwin Middle School
463 students
- Guilford Lakes 369
Guilford Lakes School
369 students
- Melissa Jones 265
Melissa Jones School
265 students
- A. W. Cox Scho 255
A. W. Cox School
255 students
What this shows Guilford High School reports 1,008 students on the CCD universe file.
How Guilford High School compares
Guilford 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 | 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 methodology
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
$24,109
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
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.
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
District finance for Guilford School District reports $24,109 per pupil (NCES F-33) - open the district page for the full revenue mix.
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
- 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
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 (~1,008 students)
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. CCD year-over-year: 1,048 (2022-23) → 1,026 (2023-24), nearly flat (-22).
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 49/100 (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 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.
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.