- Enrollment
- 543
- Students per teacher
- 10.6:1
- Resource Index
- 47/100
Middle school (grades 6-8) · Mystic, CT
Stonington Middle School
Federal NCES profile for Stonington Middle School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 55/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 090438000877
👥 S:T ratio 73
🌟 Gifted program 30
🎓 Counselors 63
📋 Attendance 53
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Stonington Middle School earns 55/100 on the Resource Investment Index, with class sizes smaller than 99% of Connecticut schools.
- #1 of 3
- public schools in Mystic · Resource Index
- 55
- Resource Index · Higher
- 6.8:1
- small classes for Connecticut
- 21.9%
- free-lunch eligible
Stonington Middle School has class sizes smaller than 99% of Connecticut schools. Computed live against every Connecticut school reporting to NCES.
By Resource Investment Index, Stonington Middle School ranks #1 of 3 public schools in Mystic, CT.
School address
District: Stonington School District · Connecticut
NCES ID 090438000877 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+15 students YoY
Stonington Middle School held near 394 students from 2022-23 to 2023-24 (+15 headcount).
Teacher FTE lost 54.6 → 46.6 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+15 students YoY 090438000877 · Mystic, CT Middle · SMALL · TRAD
366 enr · 6.8:1 · 21.9% lunch · RII 55
Nearest enrollment peer: Stonington High School (543 students)
Stonington Middle School held near 394 students from 2022-23 to 2023-24 (+15 headcount). Teacher FTE lost 54.6 → 46.6 across the same CCD years. Read with this school → · District book → · Connecticut schools → · Find another →
Stonington Middle School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Stonington Hig
Stonington High School
543 students
- Deans Mill Sch
Deans Mill School
429 students
- This school
Stonington Middle School
366 students
- West Vine Stre
West Vine Street School
342 students
What this shows Stonington Middle School reports 366 students on the CCD universe file.
How Stonington Middle School compares
Stonington Middle 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 | 6.8:1 | ▼ 44% | 12.1:1 | 15.7:1 |
| Free-lunch eligible | 21.9% | ▼ 40% | 36.4% | 51.7% |
| Enrollment | 366 | top 60% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
6.8:1
Leaner classes than 97% of US schools, among the more generously staffed nationally.
366
Bigger than 42% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
21.9%
free-lunch eligible
- 40% 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
6.8:1
students per teacher
- 44% below state mean
Top 1% in Connecticut - lower ratio than 99% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
18.9%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$25,757
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
Counselors2.0 FTE
Per 183 students, the combined health-and-guidance staffing load for this school.
Discipline context
18
in-school suspensions + 5 out-of-school
Suspension rate: 4.9 per 100 students. Combined in-school and out-of-school rate: 6.3 per 100 students. Reported via the Civil Rights Data Collection. Includes 1 expulsion.
Student demographics
White 83.9%
Hispanic or Latino 6.3%
Two or More 5.5%
Asian 2.7%
African American 1.4%
American Indian / Alaska Native 0.3%
Largest group: White at 83.9% of enrollment.
Student-body diversity index 28.8/100
Simpson diversity index - at 28.8, Stonington Middle School is less mixed than the Connecticut school average of 50.5.
Programs
District finance for Stonington School District reports $25,757 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Stonington Middle School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Stonington High School | Larger | Similar economic need | Higher S:T ratio |
| Deans Mill School | Similar size | Lower economic need | Higher S:T ratio |
| West Vine Street School | Similar size | Higher economic need | Higher S:T ratio |
Comparisons are relative to Stonington Middle School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 429
- Students per teacher
- 10.5:1
- Resource Index
- 43/100
- Enrollment
- 342
- Students per teacher
- 8.6:1
- Resource Index
- 52/100
Nationwide middle 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 (~366 students)
Frequently asked questions about Stonington Middle School
How many students attend Stonington Middle School?
Stonington Middle School has 366 students enrolled. It is a middle school in Mystic, CT. CCD year-over-year: 379 (2022-23) → 394 (2023-24), nearly flat (+15).
What is the student-teacher ratio at Stonington Middle School?
The student-teacher ratio at Stonington Middle School is 6.8:1, which is 44% lower than the Connecticut average of 12.1:1 and 57% 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 Stonington Middle School?
21.9% of students at Stonington Middle School are eligible for free lunch, compared to the Connecticut average of 36.4%.
What is the racial and ethnic makeup of Stonington Middle School?
The largest demographic group at Stonington Middle School is White at 83.9% of enrollment, in Mystic, CT.
What is the Resource Investment Index for Stonington Middle School?
Stonington Middle School has a Resource Investment Index of 55/100 (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 Stonington Middle School rank among public schools in Mystic?
By Resource Investment Index, Stonington Middle School ranks #1 of 3 public schools in Mystic, 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 Stonington School District?
Besides Stonington Middle School, Stonington School District also operates Stonington High School (543 students), Deans Mill School (429 students), and West Vine Street School (342 students). See the Stonington School District district page for the complete list.