Enrollment
334
Connecticut · 2024-25 NCES data
Elementary school (grades K-5) · Old Lyme, CT
Federal NCES profile for Mile Creek School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 51/100.
The verdict
Mile Creek School earns 51/100 on the Resource Investment Index, with class sizes larger than 72% of Connecticut schools. It is also less racially and ethnically mixed than most Connecticut schools.
Mile Creek School has class sizes larger than 72% of Connecticut schools. Computed live against every Connecticut school reporting to NCES.
By Resource Investment Index, Mile Creek School ranks #3 of 4 public schools in Old Lyme, CT.
NCES ID 090354000764 Verify on NCES CCD record →
Enrollment
334
Connecticut · 2024-25 NCES data
Teachers (FTE)
26.0
Federal CCD staff survey
Students per teacher
12.8:1
vs 12.1:1 Connecticut avg
+6% vs state
Free-lunch eligible
9.7%
vs 36.4% Connecticut avg
-73% vs state
How Mile Creek School compares with Connecticut and U.S. medians
Slightly above state median
12.8:1 - 0.7 above the Connecticut state median of 12.1:1, indicating larger average class loads than typical schools in the state.
Mile Creek School is a lower-poverty, mid-sized elementary school in Old Lyme, Connecticut, enrolling 334 students.
Class loads run somewhat heavier than typical: 12.8:1 puts it in the larger third of Connecticut schools by student-teacher ratio.
Comparatively few students face economic hardship here, 9.7% free-meal eligibility runs 73% below the Connecticut average.
Enrollment of 334 puts it in the smaller third of Connecticut schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 1,003 scored Connecticut schools.
Against 228 statewide peers matched on enrollment and economic need, it ranks mid-pack at #153.
Its student body is predominantly White (87% of enrollment), among the less diverse in the state (diversity index 24/100).
Attendance holds up well here: only 9.9% of students were chronically absent, below the typical post-pandemic national figure.
Regional School District 18 also operates Lyme-Old Lyme High School (367 students) and Lyme-Old Lyme Middle School (271 students) alongside Mile Creek 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
Mile Creek 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 | 12.8:1 | ▲ 6% | 12.1:1 | 15.7:1 |
| Free-lunch eligible | 9.7% | ▼ 73% | 36.4% | 51.7% |
| Enrollment | 334 | top 67% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
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.
Largest group: White at 87.1% of enrollment.
Simpson diversity index - at 23.6, Mile Creek School is less mixed than the Connecticut school average of 50.5.
District-wide per-pupil expenditure for Regional School District 18, which includes Mile Creek School.
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.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Lyme-Old Lyme High School | Similar size | Similar economic need | Lower S:T ratio |
| Lyme-Old Lyme Middle School | Similar size | Similar economic need | Lower S:T ratio |
| Lyme Consolidated School | Smaller | Similar economic need | Similar S:T ratio |
| Center School | Smaller | Similar economic need | Similar S:T ratio |
Comparisons are relative to Mile Creek School's own figures; each column derives from NCES Common Core of Data.
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.
Next steps
Verify locally before acting on Mile Creek School's federal record.
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.
Mile Creek School has 334 students enrolled. It is an elementary school in Old Lyme, CT.
The student-teacher ratio at Mile Creek School is 12.8:1, which is 6% higher than the Connecticut average of 12.1:1 and 18% lower than the national average of 15.7:1.
9.7% of students at Mile Creek School are eligible for free lunch, compared to the Connecticut average of 36.4%.
The largest demographic group at Mile Creek School is White at 87.1% of enrollment, in Old Lyme, CT.
Mile Creek School has a Resource Investment Index of 51/100 (higher reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Mile Creek School ranks #3 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. See all public schools in Old Lyme on the city page.
Mile Creek School earns 51/100 on the Resource Investment Index, with class sizes larger than 72% of Connecticut schools. It is also less racially and ethnically mixed than most Connecticut schools. 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.
Besides Mile Creek School, Regional School District 18 also operates Lyme-Old Lyme High School (367 students), Lyme-Old Lyme Middle School (271 students), and Lyme Consolidated School (226 students). See the Regional School District 18 district page for the complete list.
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.
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PlainSchools, “Mile Creek School, Old Lyme CT.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/mile-creek-school-ct
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