Enrollment
400
Connecticut · 2024-25 NCES data
Middle school (grades 6-8) · Milford, CT
Federal NCES profile for Harborside Middle School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 67/100.
The verdict
Harborside Middle School earns 67/100 on the Resource Investment Index, with class sizes smaller than 87% of Connecticut schools.
Harborside Middle School has class sizes smaller than 87% of Connecticut schools. Computed live against every Connecticut school reporting to NCES.
By Resource Investment Index, Harborside Middle School ranks #1 of 3 middle schools in Milford, CT.
NCES ID 090252000468 Verify on NCES CCD record →
Enrollment
400
Connecticut · 2024-25 NCES data
Teachers (FTE)
43.0
Federal CCD staff survey
Students per teacher
9.3:1
vs 12.1:1 Connecticut avg
-23% vs state
Free-lunch eligible
15.9%
vs 36.4% Connecticut avg
-56% vs state
How Harborside Middle School compares with Connecticut and U.S. medians
Smaller classes than state median
9.3:1 - 2.8 below the Connecticut state median of 12.1:1, indicating smaller average class loads than typical schools in the state.
Harborside Middle School is a lower-poverty, mid-sized middle school in Milford, Connecticut, enrolling 400 students.
Classes run notably small here: at 9.3:1, Harborside Middle School is leaner than roughly 87% of Connecticut schools and 23% under the state's 12.1:1 norm, more adult attention per pupil than most peers.
Economic need runs somewhat below the state's typical profile, with 15.9% of students eligible for free meals.
With 400 students, its enrollment sits close to the Connecticut median campus size.
Its Resource Investment Index outscores 94% of the 1,003 Connecticut schools with a score on record, a top-tier result on this measure.
Among 290 similarly sized, similarly resourced-need Connecticut schools statewide, it ranks #22, a top-tier result once campus size and economic need are matched.
Its student body is led by White (64%) and Hispanic or Latino (18%) (diversity index 55/100).
Counselor coverage is strong, about 200 students per counselor, inside the American School Counselor Association's recommended 250:1.
10.0% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
The federal civil-rights collection also records 1 expulsion at this campus for 2021-22.
Among Milford's middle schools, it stands alongside West Shore Middle School (394 students): Harborside Middle School is larger than that campus by headcount and runs leaner classes (9.3:1 vs 9.6:1).
Milford School District also operates Jonathan Law High School (776 students) and Joseph a. Foran High School (727 students) alongside Harborside Middle 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
Harborside Middle 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 | 9.3:1 | ▼ 23% | 12.1:1 | 15.7:1 |
| Free-lunch eligible | 15.9% | ▼ 56% | 36.4% | 51.7% |
| Enrollment | 400 | top 52% | - | - |
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 64.0% of enrollment.
Simpson diversity index - at 54.7, Harborside Middle School is more mixed than the Connecticut school average of 50.5.
District-wide per-pupil expenditure for Milford School District, which includes Harborside Middle 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 |
|---|---|---|---|
| Jonathan Law High School | Larger | Similar economic need | Similar S:T ratio |
| Joseph a. Foran High School | Larger | Similar economic need | Similar S:T ratio |
| Orange Avenue School | Similar size | Similar economic need | Higher S:T ratio |
| West Shore Middle School | Similar size | Higher economic need | Similar S:T ratio |
| Orchard Hills School | Similar size | Similar economic need | Higher S:T ratio |
Comparisons are relative to Harborside Middle School's own figures; each column derives from NCES Common Core of Data.
2 comparable middle schools (grades 6-8) serving the same city.
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 Harborside Middle 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.
Harborside Middle School has 400 students enrolled. It is a middle school in Milford, CT.
The student-teacher ratio at Harborside Middle School is 9.3:1, which is 23% lower than the Connecticut average of 12.1:1 and 41% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
15.9% of students at Harborside Middle School are eligible for free lunch, compared to the Connecticut average of 36.4%.
The largest demographic group at Harborside Middle School is White at 64.0% of enrollment, in Milford, CT. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 54.7/100.
Harborside Middle School has a Resource Investment Index of 67/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Harborside Middle School ranks #1 of 3 middle schools in Milford, CT. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all middle schools in Milford on the city page.
Harborside Middle School earns 67/100 on the Resource Investment Index, with class sizes smaller than 87% of 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 Harborside Middle School, Milford School District also operates Jonathan Law High School (776 students), Joseph a. Foran High School (727 students), and Orange Avenue School (414 students). See the Milford School District 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, “Harborside Middle School, Milford 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/harborside-middle-school-ct
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