- Enrollment
- 673
- Students per teacher
- 9.8:1
- Resource Index
- 65/100
High school (grades 9-12) · Wallingford, CT
Lyman Hall High School
Federal NCES profile for Lyman Hall 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 090474000955
👥 S:T ratio 61
🌟 Gifted program 70
🎓 Counselors 63
📋 Attendance 33
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Lyman Hall High School earns 57/100 on the Resource Investment Index, with class sizes smaller than 82% of Connecticut schools.
- #7 of 11
- public schools in Wallingford · Resource Index
- 57
- Resource Index · Higher
- 9.8:1
- small classes for Connecticut
- 27.4%
- free-lunch eligible
Lyman Hall High School has class sizes smaller than 82% of Connecticut schools. Computed live against every Connecticut school reporting to NCES.
By Resource Investment Index, Lyman Hall High School ranks #7 of 11 public schools in Wallingford, CT.
School address
District: Wallingford School District · Connecticut
NCES ID 090474000955 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+2 students YoY
Lyman Hall High School held near 932 students from 2022-23 to 2023-24 (+2 headcount).
Teacher FTE lost 96.8 → 87.1 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+2 students YoY 090474000955 · Wallingford, CT High · MID · TRAD
936 enr · 9.8:1 · 27.4% lunch · RII 57
Nearest enrollment peer: Mark T. Sheehan High School (673 students)
Lyman Hall High School held near 932 students from 2022-23 to 2023-24 (+2 headcount). Teacher FTE lost 96.8 → 87.1 across the same CCD years. Read with this school → · District book → · Connecticut schools → · Find another →
Lyman Hall High School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- This school
Lyman Hall High School
936 students
- Mark T. Sheeha
Mark T. Sheehan High School
673 students
- Dag Hammarskjo
Dag Hammarskjold Middle School
593 students
- James H. Moran
James H. Moran Middle School
531 students
- Cook Hill Scho 357
Cook Hill School
357 students
- Moses Y. Beach 326
Moses Y. Beach School
326 students
What this shows Lyman Hall High School reports 936 students on the CCD universe file.
How Lyman Hall High School compares
Lyman Hall 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 | 9.8:1 | ▼ 19% | 12.1:1 | 15.7:1 |
| Free-lunch eligible | 27.4% | ▼ 25% | 36.4% | 51.7% |
| Enrollment | 936 | top 8% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
9.8:1
Leaner classes than 90% of US schools, among the more generously staffed nationally.
936
Bigger than 90% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
Economic need
27.4%
free-lunch eligible
- 25% 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
9.8:1
students per teacher
- 19% below state mean
Top 18% in Connecticut - lower ratio than 82% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
26.7%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$25,569
per pupil, district-wide
- above 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 187 students, the combined health-and-guidance staffing load for this school.
Discipline context
85
in-school suspensions + 29 out-of-school
Suspension rate: 9.1 per 100 students. Combined in-school and out-of-school rate: 12.2 per 100 students. Reported via the Civil Rights Data Collection. Includes 1 expulsion.
Student demographics
White 67.9%
Hispanic or Latino 22.1%
Asian 4.1%
African American 3.1%
Two or More 2.6%
Native Hawaiian / Pacific Islander 0.2%
Largest group: White at 67.9% of enrollment.
Student-body diversity index 48.7/100
Simpson diversity index - at 48.7, Lyman Hall High School is about as mixed as the Connecticut school average of 50.5.
Programs
AP courses offered 20
Gifted & talented Yes
District finance for Wallingford School District reports $25,569 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Lyman Hall High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Mark T. Sheehan High School | Smaller | Similar economic need | Similar S:T ratio |
| Dag Hammarskjold Middle School | Smaller | Similar economic need | Similar S:T ratio |
| James H. Moran Middle School | Smaller | Similar economic need | Similar S:T ratio |
| Cook Hill School | Smaller | Similar economic need | Higher S:T ratio |
| Moses Y. Beach School | Smaller | Similar economic need | Higher S:T ratio |
Comparisons are relative to Lyman Hall High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 593
- Students per teacher
- 10.2:1
- Resource Index
- 58/100
- Enrollment
- 531
- Students per teacher
- 8.8:1
- Resource Index
- 63/100
- Enrollment
- 357
- Students per teacher
- 11.5:1
- Resource Index
- 49/100
- Enrollment
- 326
- Students per teacher
- 12.1:1
- Resource Index
- 40/100
Similar high schools in Wallingford
1 comparable high schools (grades 9-12) serving the same city.
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 (~936 students)
Frequently asked questions about Lyman Hall High School
How many students attend Lyman Hall High School?
Lyman Hall High School has 936 students enrolled. It is a high school in Wallingford, CT. CCD year-over-year: 930 (2022-23) → 932 (2023-24), nearly flat (+2).
What is the student-teacher ratio at Lyman Hall High School?
The student-teacher ratio at Lyman Hall High School is 9.8:1, which is 19% lower than the Connecticut average of 12.1:1 and 38% 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 Lyman Hall High School?
27.4% of students at Lyman Hall High School are eligible for free lunch, compared to the Connecticut average of 36.4%.
What is the racial and ethnic makeup of Lyman Hall High School?
The largest demographic group at Lyman Hall High School is White at 67.9% of enrollment, in Wallingford, CT.
What is the Resource Investment Index for Lyman Hall High School?
Lyman Hall 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 Lyman Hall High School rank among public schools in Wallingford?
By Resource Investment Index, Lyman Hall High School ranks #7 of 11 public schools in Wallingford, 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 Wallingford on the city page.
What other schools are in Wallingford School District?
Besides Lyman Hall High School, Wallingford School District also operates Mark T. Sheehan High School (673 students), Dag Hammarskjold Middle School (593 students), and James H. Moran Middle School (531 students). See the Wallingford School District district page for the complete list.