Excellent
#15 of 990 schools in CT
Top 1% in state
Deans Mill School
Elementary School · Stonington School District
35 Deans Mill Rd., Stonington, CT 06378
Enrollment
423
Student-Teacher
11.1:1
Score
9.3
Grades
Pre-K – 5th
Enrollment
423
Student-Teacher
11.1:1
Score
9.3
Grades
Pre-K – 5th
Updated
2022-23
Updated 2022-23
How this school compares
Connecticut elementary schools
#14 of 595
In district
#2 of 4
Stonington School District
Academic performance
9.6 / 10
Exceptional
About Deans Mill School
Deans Mill School is a pre-kindergarten through fifth grade public school serving 423 students in Stonington, Connecticut. Its composite score of 9.3 out of 10 — rated Exceptional — places it 15th among 990 public schools in Connecticut. That position puts Deans Mill ahead of 99% of the state's public schools, one of the strongest standings a Connecticut elementary school can hold.
Academic performance rates at 9.6 and student growth at 9.5, both near the ceiling of the scale. A student-teacher ratio of 11.1 to 1 keeps class sizes small. Within the Stonington School District, Deans Mill ranks second among the district's four schools.
The comparison within Connecticut's elementary tier tells the same story: Deans Mill holds the 14th spot among 595 public elementary schools statewide. The 9.5 growth score signals that students are making strong academic progress year over year — not simply starting from a high baseline. For parents evaluating public elementary options in Stonington, the data consistently points to Deans Mill as the top public choice.
What's said publicly about Deans Mill School
Synthesized from public, attributable sources. Updated May 2026. Reviewed for accuracy.
Sources (1)
What Parents Should Know
Located in a rural area, Deans Mill School may involve longer commutes for some families. Rural schools often serve as community anchors and may have smaller class sizes, but parents should consider transportation logistics, after-school program availability, and access to specialized services.
Score Breakdown
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Deans Mill School — Students at Deans Mill School score 80% proficient, which is above what's typical for similar communities (expected: 69%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
13%
Students qualifying for federal meal assistance
Test Scores CT EDFACTS (2021-22)
Based on 6 test records from CT state assessments. About our data
Proficiency Trend
↑ ImprovingAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 9.5/10.
How Deans Mill School Compares
See how Deans Mill School performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has improved from 77% (2019) to 80% (2022). Reading/ELA proficiency has improved from 77% (2019) to 81% (2022).
Location
35 Deans Mill Rd., Stonington, CT 06378
Nearby Alternatives
Families considering Deans Mill School may also want to explore other elementary schools in the area. West Vine Street School (rated 9.4/10, 4.6 miles away, in nearby Pawcatuck), with a very similar rating. Another option is Gallup Hill School (rated 7.3/10, 5.3 miles away, in nearby Ledyard), a more accessible option. Additionally, Catherine Kolnaski Magnet School (rated 7.2/10, 7.2 miles away, in nearby Groton), a more accessible option. For more schools in Stonington, see our Stonington schools guide .
Nearby Schools
20 within 7.2 mi| School | Distance | Rating |
|---|---|---|
| Stonington Middle School Mystic | 1.0 mi | 7.0 |
| PINE POINT SCHOOL Stonington | 1.6 mi | 6.9 |
| Northeast Academy Magnet School Mystic | 3.4 mi | 6.1 |
| Stonington High School Pawcatuck | 3.4 mi | 7.7 |
| Mystic River Magnet School Mystic | 3.9 mi | 6.5 |
| Gallup Hill School Ledyard | 5.3 mi | 7.3 |
| Wheeler High School North Stonington | 5.6 mi | 6.1 |
| North Stonington Elementary School North Stonington | 5.7 mi | 5.0 |
| West Vine Street School Pawcatuck | 4.6 mi | 9.4 |
| ST MICHAEL SCHOOL Pawcatuck | 4.6 mi | 4.2 |
| Robert E. Fitch High School Groton | 4.8 mi | 8.3 |
| Groton Middle School Groton | 4.8 mi | 8.5 |
| Ella T. Grasso Technical High School Groton | 5.0 mi | 5.4 |
| State Street School Westerly | 5.2 mi | 5.9 |
| Springbrook Elementary School Westerly | 5.6 mi | 7.1 |
| Ledyard High School Ledyard | 6.4 mi | 6.1 |
| Westerly Inclusion Preschool P Westerly | 5.4 mi | 7.3 |
| NORTH STONINGTON CHRISTIAN ACADEMY North Stonington | 6.2 mi | 6.6 |
| Westerly High School Westerly | 5.6 mi | 8.5 |
| Catherine Kolnaski Magnet School Groton | 7.2 mi | 7.2 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 06378 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$126,014
Median Home Value
$576,200
Median Rent
$1,720/mo
Population
5,408
College Educated
58.8%
Homeownership
75.8%
Avg Commute
25.8 min
Poverty Rate
3.8%
Median Age
57.9
Community Profile
The community surrounding Deans Mill School has a median household income of $126,014. It is a well-educated community where 59% of adults hold a bachelor's degree or higher. The median home value in the area is $576,200, with a median rent of $1,720/month. The local poverty rate of 3.8% is relatively low. The average commute for residents is 26 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Glenville School Greenwich, CT | 9.3 |
| Kathleen E. Goodwin School Old Saybrook, CT | 9.3 |
| Royle Elementary School Darien, CT | 9.3 |
| Webster Hill School West Hartford, CT | 9.3 |
| Jennings School Fairfield, CT | 9.4 |
| West Vine Street School Pawcatuck, CT | 9.4 |
Frequently Asked Questions
Common questions about Deans Mill School
What grades does Deans Mill School serve?
Deans Mill School serves students in grades Pre-K through 5th.
How many students attend Deans Mill School?
Deans Mill School has an enrollment of approximately 423 students.
What is the student-teacher ratio at Deans Mill School?
The student-teacher ratio at Deans Mill School is 11.1:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Deans Mill School rank in CT?
Deans Mill School is ranked #15 out of 990 schools in CT.
What is Deans Mill School's MySchoolScout rating?
Deans Mill School has a composite rating of 9.3 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at Deans Mill School?
Based on the most recent state assessment data, Deans Mill School has 76.3% math proficiency and 77.3% reading/ELA proficiency.
Is Deans Mill School a charter school?
No, Deans Mill School is not a charter school. It is a traditional public school operated by the local school district.
Is Deans Mill School a Title I school?
No, Deans Mill School is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Deans Mill School?
13.0% of students at Deans Mill School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Explore More Schools
Neighborhood Context
Powered by 
FBI UCR 2024. City-level (Stonington). Data >1 year old.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- Pre-K – 5th
- Enrollment
- 423
- Student-Teacher Ratio
- 11.1:1
- Teachers (FTE)
- 38
- Free/Reduced Lunch
- 13.0%
- Type
- regular
- Setting
- Fringe Rural
- County
- Connecticut Planning Region 8
- Phone
- (860) 535-2235
- Data Year
- 2023–2024
Resources & Links
District
Stonington School District- District Enrollment
- 1,762
- Schools in District
- 4
- Per-Pupil Spending
- $26,209
- District Rank
- #2 of 4
Other Schools in This District
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
Read our full methodologyRelated reading
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