- Enrollment
- 1,742
- Students per teacher
- 13.5:1
- Resource Index
- 42/100
High school (grades 9-12) · New Haven, CT
Sound School
Federal NCES profile for Sound School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 42/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 090279001216
👥 S:T ratio 66
🌟 Gifted program 70
🎓 Counselors 34
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Sound School earns 42/100 on the Resource Investment Index, with class sizes smaller than 94% of Connecticut schools.
- #6 of 9
- high schools in New Haven · Resource Index
- 42
- Resource Index · Typical
- 8.5:1
- small classes for Connecticut
- 43.4%
- free-lunch eligible
Sound School has class sizes smaller than 94% of Connecticut schools. Computed live against every Connecticut school reporting to NCES.
By Resource Investment Index, Sound School ranks #6 of 9 high schools in New Haven, CT.
School address
District: New Haven School District · Connecticut
NCES ID 090279001216 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-7 students YoY
Sound School held near 336 students from 2022-23 to 2023-24 (-7 headcount).
Teacher FTE lost 39.0 → 38.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-7 students YoY 090279001216 · New Haven, CT High · SMALL · TRAD
332 enr · 8.5:1 · 43.4% lunch · RII 42
Nearest enrollment peer: Wilbur Cross High School (1,742 students)
Sound School held near 336 students from 2022-23 to 2023-24 (-7 headcount). Teacher FTE lost 39.0 → 38.0 across the same CCD years. Read with this school → · District book → · Connecticut schools → · Find another →
Sound School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Wilbur Cross H
Wilbur Cross High School
1,742 students
- James Hillhous
James Hillhouse High School
1,124 students
- Fair Haven Sch
Fair Haven School
734 students
- Hill Regional 625
Hill Regional Career High School
625 students
- Engineering - 608
Engineering - Science University Magnet School
608 students
- This school 332
Sound School
332 students
What this shows Sound School reports 332 students on the CCD universe file.
How Sound School compares
Sound 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 | 8.5:1 | ▼ 30% | 12.1:1 | 15.7:1 |
| Free-lunch eligible | 43.4% | ▲ 19% | 36.4% | 51.7% |
| Enrollment | 332 | top 68% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
8.5:1
Leaner classes than 94% of US schools, among the more generously staffed nationally.
332
Bigger than 37% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
43.4%
free-lunch eligible
- 19% above the Connecticut average of 36.4%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
8.5:1
students per teacher
- 30% below state mean
Top 6% in Connecticut - lower ratio than 94% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
55.4%
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
$22,543
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
Counselors1.0 FTE
Per 332 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 2 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.6 per 100 students. Reported via the Civil Rights Data Collection. Includes 1 expulsion.
Student demographics
Hispanic or Latino 43.5%
White 40.8%
African American 12.1%
Two or More 3.0%
Asian 0.3%
Native Hawaiian / Pacific Islander 0.3%
Largest group: Hispanic or Latino at 43.5% of enrollment.
Student-body diversity index 62.9/100
Simpson diversity index - at 62.9, Sound School is more mixed than the Connecticut school average of 50.5.
Programs
AP courses offered 4
Gifted & talented Yes
District finance for New Haven School District reports $22,543 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Sound School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Wilbur Cross High School | Larger | Higher economic need | Higher S:T ratio |
| James Hillhouse High School | Larger | Higher economic need | Higher S:T ratio |
| Fair Haven School | Larger | Higher economic need | Higher S:T ratio |
| Hill Regional Career High School | Larger | Higher economic need | Higher S:T ratio |
| Engineering - Science University Magnet School | Larger | Similar economic need | Higher S:T ratio |
Comparisons are relative to Sound School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,124
- Students per teacher
- 14.8:1
- Resource Index
- 55/100
- Enrollment
- 734
- Students per teacher
- 11:1
- Resource Index
- 33/100
- Enrollment
- 625
- Students per teacher
- 10.4:1
- Resource Index
- 47/100
- Enrollment
- 608
- Students per teacher
- 10.7:1
- Resource Index
- 45/100
Similar high schools in New Haven
6 comparable high schools (grades 9-12) serving the same city.
Wilbur Cross High School
Standard public school
1,742 students 13.5:1 students per teacher
James Hillhouse High School
Standard public school
1,124 students 14.8:1 students per teacher
Hill Regional Career High School
Standard public school
625 students 10.4:1 students per teacher
Cooperative High School - Inter-District Magnet
Standard public school
560 students 10.4:1 students per teacher
Metropolitan Business Academy
Standard public school
380 students 11.9:1 students per teacher
New Haven Academy
Standard public school
321 students 14.6:1 students per teacher
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 (~332 students)
Frequently asked questions about Sound School
How many students attend Sound School?
Sound School has 332 students enrolled. It is a high school in New Haven, CT. CCD year-over-year: 343 (2022-23) → 336 (2023-24), nearly flat (-7).
What is the student-teacher ratio at Sound School?
The student-teacher ratio at Sound School is 8.5:1, which is 30% lower than the Connecticut average of 12.1:1 and 46% 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 Sound School?
43.4% of students at Sound School are eligible for free lunch, compared to the Connecticut average of 36.4%.
What is the racial and ethnic makeup of Sound School?
The largest demographic group at Sound School is Hispanic or Latino at 43.5% of enrollment, in New Haven, CT. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 62.9/100.
What is the Resource Investment Index for Sound School?
Sound School has a Resource Investment Index of 42/100 (typical 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 Sound School rank among high schools in New Haven?
By Resource Investment Index, Sound School ranks #6 of 9 high schools in New Haven, CT. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in New Haven on the city page.
What other schools are in New Haven School District?
Besides Sound School, New Haven School District also operates Wilbur Cross High School (1,742 students), James Hillhouse High School (1,124 students), and Fair Haven School (734 students). See the New Haven School District district page for the complete list.