Excellent
#57 of 990 schools in CT
Top 6% in state
Haddam-killingworth Intermediate School
Elementary School · Regional School District 17
451 Route 81, Killingworth, CT 06419
Enrollment
280
Student-Teacher
13.3:1
Score
8.8
Grades
4th – 5th
Enrollment
280
Student-Teacher
13.3:1
Score
8.8
Grades
4th – 5th
Updated
2022-23
Updated 2022-23
How this school compares
In Killingworth
#1 of 2
public schools
Connecticut elementary schools
#48 of 595
In district
#3 of 5
Regional School District 17
Academic growth
10.0 / 10
Exceptional
About Haddam-killingworth Intermediate School
Haddam-Killingworth Intermediate School serves 280 fourth and fifth graders in Killingworth, Connecticut. Its composite score of 9.2/10 earns an Exceptional rating — one that holds up under direct comparison. The school ranks 31st among 990 public schools statewide, outperforming 97% of all Connecticut schools, and places 29th out of 595 elementary schools in the state.
Growth is the defining strength. A perfect 10.0/10 growth score signals that students here advance well beyond initial predictions, a pattern that points to strong instruction across ability levels rather than a school simply benefiting from favorable demographics. Academic performance adds a solid 8.3/10 to that foundation.
A 13.3:1 student-teacher ratio keeps class sizes manageable, giving teachers real bandwidth to sustain individual momentum across both grade levels. Within Killingworth, Haddam-Killingworth Intermediate ranks first of the two public schools in town. For families sorting through Connecticut's 595 elementary schools, the combination of top-5% academic performance and a perfect growth score narrows the field quickly.
Both metrics point the same direction — this school consistently delivers at an elite level.
What Parents Should Know
Located in a rural area, Haddam-killingworth Intermediate 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
Full Profile · 3/3 metricsView breakdown
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Haddam-killingworth Intermediate School — Students at Haddam-killingworth Intermediate School score 69% proficient, which is above what's typical for similar communities (expected: 66%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
17.5%
Students qualifying for federal meal assistance
Test Scores CT EDFACTS (2021-22)
Based on 4 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: 10.0/10.
How Haddam-killingworth Intermediate School Compares
See how Haddam-killingworth Intermediate School performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has remained stable from 63% (2021) to 65% (2022). Reading/ELA proficiency has improved from 67% (2021) to 73% (2022).
Location
451 Route 81, Killingworth, CT 06419
Nearby Alternatives
Families considering Haddam-killingworth Intermediate School may also want to explore other elementary schools in the area. J. Milton Jeffrey Elementary School (rated 9.2/10, 6.6 miles away, in nearby Madison), which scores slightly higher. Another option is Dr. Robert H. Brown Intermediate School (rated 9.1/10, 4.2 miles away, in nearby Madison), with a very similar rating. Additionally, Killingworth Elementary School (rated 8.9/10, 0.8 miles away, in nearby Higganum), with a very similar rating. For more schools in Killingworth, see our Killingworth schools guide .
Nearby Schools
20 within 6.1 miNeighborhood Census ACS (2019-2023)
Census data for ZIP 06419 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$132,739
Median Home Value
$388,500
Population
6,219
College Educated
51.7%
Homeownership
99.5%
Poverty Rate
3.7%
Median Age
51.8
Community Profile
The community surrounding Haddam-killingworth Intermediate School has a median household income of $132,739. It is a well-educated community where 52% of adults hold a bachelor's degree or higher. The median home value in the area is $388,500. The local poverty rate of 3.7% is relatively low. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Dwight Elementary School Fairfield, CT | 8.8 |
| Ellen P. Hubbell School Bristol, CT | 8.8 |
| Essex Elementary School Centerbrook, CT | 8.8 |
| Salisbury Central School Lakeville, CT | 8.8 |
| Totoket Valley Elementary School Northford, CT | 8.8 |
| Burr District Elementary School Higganum, CT | 8.9 |
Frequently Asked Questions
Common questions about Haddam-killingworth Intermediate School
What grades does Haddam-killingworth Intermediate School serve?
Haddam-killingworth Intermediate School serves students in grades 4th through 5th.
How many students attend Haddam-killingworth Intermediate School?
Haddam-killingworth Intermediate School has an enrollment of approximately 280 students.
What is the student-teacher ratio at Haddam-killingworth Intermediate School?
The student-teacher ratio at Haddam-killingworth Intermediate School is 13.3:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Haddam-killingworth Intermediate School rank in CT?
Haddam-killingworth Intermediate School is ranked #57 out of 990 schools in CT.
What is Haddam-killingworth Intermediate School's MySchoolScout rating?
Haddam-killingworth Intermediate School has a composite rating of 8.8 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 Haddam-killingworth Intermediate School?
Based on the most recent state assessment data, Haddam-killingworth Intermediate School has 64.0% math proficiency and 70.0% reading/ELA proficiency.
Is Haddam-killingworth Intermediate School a charter school?
No, Haddam-killingworth Intermediate School is not a charter school. It is a traditional public school operated by the local school district.
Is Haddam-killingworth Intermediate School a Title I school?
No, Haddam-killingworth Intermediate School is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Haddam-killingworth Intermediate School?
17.5% of students at Haddam-killingworth Intermediate 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.
Neighborhood Context
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 4th – 5th
- Enrollment
- 280
- Student-Teacher Ratio
- 13.3:1
- Teachers (FTE)
- 21
- Free/Reduced Lunch
- 17.5%
- Type
- regular
- Setting
- Fringe Rural
- County
- Connecticut Planning Region 3
- Phone
- (860) 663-1241
- Data Year
- 2023–2024
Resources & Links
District
Regional School District 17- District Enrollment
- 1,770
- Schools in District
- 5
- Per-Pupil Spending
- $26,076
- District Rank
- #3 of 5
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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