- Enrollment
- 367
- Students per teacher
- 8.3:1
- Resource Index
- 62/100
Other / mixed grade configuration · Old Lyme, CT
Center School
Federal NCES profile for Center School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 38/100.
2024-25 NCES dataOther / mixed grade configurationNCES 090354000761
👥 S:T ratio 47
🌟 Gifted program 30
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Center School earns 38/100 on the Resource Investment Index, with class sizes larger than 79% of Connecticut schools. It is also one of the smallest schools in Connecticut.
- #4 of 4
- public schools in Old Lyme · Resource Index
- 38
- Resource Index · Typical
- 13.3:1
- large classes for Connecticut
- 8.7%
- free-lunch eligible
Center School has class sizes larger than 79% of Connecticut schools. Computed live against every Connecticut school reporting to NCES.
By Resource Investment Index, Center School ranks #4 of 4 public schools in Old Lyme, CT.
School address
District: Regional School District 18 · Connecticut
NCES ID 090354000761 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+7 students YoY
Center School grew from 92 students in 2022-23 to 99 in 2023-24 (+7.6%).
Teacher FTE held 6.6 → 6.6 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Growing CCD campus
+7 students YoY 090354000761 · Old Lyme, CT Other · SMALL · TRAD
80 enr · 13.3:1 · 8.7% lunch · RII 38
Nearest enrollment peer: Lyme-Old Lyme High School (367 students)
Center School grew from 92 students in 2022-23 to 99 in 2023-24 (+7.6%). Teacher FTE held 6.6 → 6.6 across the same CCD years. Read with this school → · District book → · Connecticut schools → · Find another →
Center School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Lyme-Old Lyme
Lyme-Old Lyme High School
367 students
- Mile Creek Sch
Mile Creek School
334 students
- Lyme-Old Lyme
Lyme-Old Lyme Middle School
271 students
- Lyme Consolida
Lyme Consolidated School
226 students
- This school 80
Center School
80 students
What this shows Center School reports 80 students on the CCD universe file.
How Center School compares
Center School is a growing campus on CCD: ratios and free-lunch share vs Connecticut and U.S. means.
| Metric | This school | vs Connecticut | Connecticut avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 13.3:1 | ▲ 10% | 12.1:1 | 15.7:1 |
| Free-lunch eligible | 8.7% | ▼ 76% | 36.4% | 51.7% |
| Enrollment | 80 | top 98% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
13.3:1
Leaner classes than 64% of US schools, a middle-of-the-pack class size.
80
Bigger than 8% of US schools by enrollment, a small campus.
Equity indicators methodology
Economic need
8.7%
free-lunch eligible
- 76% 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
13.3:1
students per teacher
- 10% above state mean
Top 79% in Connecticut - lower ratio than 21% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Funding equity
$28,792
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
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 91.3%
Hispanic or Latino 6.3%
Two or More 2.5%
Largest group: White at 91.3% of enrollment.
Student-body diversity index 16.2/100
Simpson diversity index - at 16.2, Center School is less mixed than the Connecticut school average of 50.5.
Programs
District finance for Regional School District 18 reports $28,792 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Center School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Lyme-Old Lyme High School | Larger | Similar economic need | Lower S:T ratio |
| Mile Creek School | Larger | Similar economic need | Similar S:T ratio |
| Lyme-Old Lyme Middle School | Larger | Similar economic need | Lower S:T ratio |
| Lyme Consolidated School | Larger | Similar economic need | Similar S:T ratio |
Comparisons are relative to Center School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 334
- Students per teacher
- 12.8:1
- Resource Index
- 51/100
- Enrollment
- 271
- Students per teacher
- 9:1
- Resource Index
- 55/100
- Enrollment
- 226
- Students per teacher
- 12.6:1
- Resource Index
- 51/100
Nationwide other 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 (~80 students)
Frequently asked questions about Center School
How many students attend Center School?
Center School has 80 students enrolled. It is a special-education school in Old Lyme, CT. CCD year-over-year: 92 (2022-23) → 99 (2023-24), up 7.
What is the student-teacher ratio at Center School?
The student-teacher ratio at Center School is 13.3:1, which is 10% higher than the Connecticut average of 12.1:1 and 15% lower than the national average of 15.7:1.
What percentage of students receive free lunch at Center School?
8.7% of students at Center School are eligible for free lunch, compared to the Connecticut average of 36.4%.
What is the racial and ethnic makeup of Center School?
The largest demographic group at Center School is White at 91.3% of enrollment, in Old Lyme, CT.
What is the Resource Investment Index for Center School?
Center School has a Resource Investment Index of 38/100 (typical reported resources relative to schools nationally) based on 2 factors: student-teacher ratio, gifted-program reporting. Not a test-score or academic measure (national median ~41/100, see methodology). Limited indicators were available, so the index reflects partial data.
How does Center School rank among public schools in Old Lyme?
By Resource Investment Index, Center School ranks #4 of 4 public schools in Old Lyme, CT. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking.
What other schools are in Regional School District 18?
Besides Center School, Regional School District 18 also operates Lyme-Old Lyme High School (367 students), Mile Creek School (334 students), and Lyme-Old Lyme Middle School (271 students). See the Regional School District 18 district page for the complete list.