Enrollment
280
Elementary
DISTRICT 272 · STATE 378
SCHOOL COMMUNITY·REGIONAL SCHOOL DISTRICT 17·NCES 090353901921
Haddam-Killingworth Intermediate School
451 Route 81, Killingworth, CT 06419 · (860) 663-1241 · Lower Connecticut River Valley Planning Region
GRADES 04–05ELEMENTARY41-RURALREGULAR SCHOOL280 STUDENTS
B+
allk12 Grade
Scored higher than 66% of Connecticut public elementary schools
- B+Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- ·Beats expectations Not available for this school, so the grade uses the other parts.
- ·Three-year trend Not available for this school, so the grade uses the other parts.
Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Connecticut public elementary schools
Student : Teacher
12.7:1
22 FTE teachers
DISTRICT 11.6:1 · STATE 12.6:1
Free / Reduced Lunch
19%
52 students
DISTRICT 17% · STATE 44%
Community
0
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Grade 4 | 133 | 48% |
| Grade 5 | 147 | 53% |
Student demographics
20%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 20% · STATE 67% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
School pathway
Students here typically continue to
Haddam-Killingworth Intermediate School→Haddam-Killingworth Middle School→Haddam-Killingworth High School
Based on grade levels within Regional School District 17. Attendance zones can vary; confirm enrollment with the district.
QUIET COMMUNITY
Be the first to start a discussion at Haddam-Killingworth Intermediate School.
START A DISCUSSIONTest scores
CT Smarter Balanced 2024-25 . % Met or Exceeded StandardEnglish Language Arts
68.2%
CT avg 50.5%
Math
60.8%
CT avg 45.9%
What this means: On the CT Smarter Balanced, Connecticut's statewide test, about 68 of every 100 students at this school read and write at grade level and about 61 of 100 do math at grade level. Across all Connecticut schools, those numbers are about 51 and 46.
Source: CT Smarter Balanced. All students, all grades. See all years and grades →
Schools most like Haddam-Killingworth Intermediate School
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Haddam-Killingworth Intermediate School this school | 280 | 18.6% | N/A |
| Burr District Elementary School Higganum | 278 | 20.1% | N/A |
| Center School East Hampton | 251 | 20.7% | N/A |
| Killingworth Elementary School Higganum | 257 | 15.6% | N/A |
| Gilead Hill School Hebron | 317 | 17.7% | N/A |
| Ann Antolini School New Hartford | 241 | 19.5% | N/A |
Matched among Connecticut elementary schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where Haddam-Killingworth Intermediate School ranks
Among elementary schools| Measure | This school | In Connecticut | In Lower Connecticut River Valley Planning Region |
|---|---|---|---|
| Math proficiency ranked highest first | 60.8% | #204 of 522 | #15 of 26 |
| Reading proficiency ranked highest first | 68.2% | #136 of 519 | #8 of 26 |
| Enrollment ranked largest first | 280 | #469 of 613 | #13 of 30 |
| Students per teacher ranked fewest first | 12.7:1 | #319 of 558 | #19 of 26 |
| Diversity index ranked most diverse first | 19.9% | #550 of 560 | #24 of 27 |
| Free and reduced lunch ranked highest share first | 18.6% | #475 of 594 | #24 of 29 |
Ranked against other public elementary schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
280
+29 (+12%) vs 2020
Student : Teacher
12.7:1
was 11.4:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 280 | 22 | 12.7:1 | 19% (52) |
| 2023-24 | 280 | 21.6 | 13.0:1 | 18% (49) |
| 2022-23 | 260 | 27.8 | 9.3:1 | 15% (39) |
| 2020-21 | 251 | 22 | 11.4:1 | 16% (40) |
Source: NCES Common Core of Data. Rows are the federal collections on file for Haddam-Killingworth Intermediate School.
About Haddam-Killingworth Intermediate School
Haddam-Killingworth Intermediate School is a low-enrollment elementary school found in Killingworth, Connecticut. It covers grades 4 through 5, with a total enrollment of 280 students. Statewide, elementary schools in Connecticut average about 378 students each.
Regional School District 17 has 1,704 students spread across 5 schools.
About 89% of the student body at Haddam-Killingworth Intermediate School is White. Other reported shares: 5% Hispanic and 4% multiracial. That compares with about 81% White among all Lower Connecticut River Valley Planning Region residents. The school's diversity index is 20%, meaning two students picked at random have a 20% chance of belonging to different racial or ethnic groups.
Federal staffing data show 22 full-time-equivalent teachers at Haddam-Killingworth Intermediate School and a ratio of 12.7:1. That matches the 12.6:1 average for elementary schools in Connecticut fairly closely. The count of students eligible for free or reduced-price lunch equals 19% of enrollment. For comparison, public schools in Lower Connecticut River Valley Planning Region average 32%.
The allk12 Grade for Haddam-Killingworth Intermediate School is B+. Compared with Connecticut public elementary schools, the school scored higher than 66% on a mix of test scores, poverty-adjusted results, and recent trend.
Census estimates describe Lower Connecticut River Valley Planning Region this way: the median household income is $104,428, about 46% of adults have at least a bachelor's degree, and the poverty rate is about 4%. In all, Lower Connecticut River Valley Planning Region has 57 public schools and roughly 19,075 students.
The next-closest public school is Haddam-Killingworth Middle School, less than a tenth of a mile away. The count of other public schools within five miles is 5.
On the NCES locale scale, the school is Rural: Fringe.
Enrollment at Haddam-Killingworth Intermediate School grew 12% between 2020-21 and 2024-25, from 251 to 280 students. In 2020-21, the student-to-teacher ratio was 11.4:1; by 2024-25 it was 12.7:1.
Discussions about Haddam-Killingworth Intermediate School may include school events, clubs, and volunteer needs. Questions from prospective families are welcome too.
Lower Connecticut River Valley Planning Region at a glance
View full county profilePopulation
175,822
Census ACS
Median income
$104,428
Household, ACS
Bachelor's+
46%
Adults 25+
Poverty rate
4%
Below federal line
Schools in county
57
19,075 students
Quick facts
Related schools
Other schools in Regional School District 17
- Haddam-Killingworth High SchoolHigh · 466 students
- Haddam-Killingworth Middle SchoolMiddle · 423 students
- Burr District Elementary SchoolElementary · 278 students
- Killingworth Elementary SchoolElementary · 257 students
Other schools in Killingworth
- Haddam-Killingworth Middle SchoolMiddle · 423 students
Nearby schools
- Haddam-Killingworth Middle School0.0 mi · 423
- Killingworth Elementary School0.8 mi · 257
- Dr. Robert H. Brown Intermediate School4.2 mi · 361
- Burr District Elementary School4.3 mi · 278
- Kathleen H. Ryerson Elementary School4.3 mi · 314
- Haddam-Killingworth High School5.6 mi · 466
Frequently asked questions
About Haddam-Killingworth Intermediate SchoolWhat is the total enrollment at Haddam-Killingworth Intermediate School?
Haddam-Killingworth Intermediate School enrolls approximately 280 students in grades 04-05.
What age range does Haddam-Killingworth Intermediate School serve?
Haddam-Killingworth Intermediate School serves students from grade 04 through grade 05.
How many teachers does Haddam-Killingworth Intermediate School have?
Haddam-Killingworth Intermediate School employs 22 FTE teachers, for a student-to-teacher ratio of 12.7:1.
What is the racial breakdown of students at Haddam-Killingworth Intermediate School?
At Haddam-Killingworth Intermediate School, the student body is approximately 89% White, 5% Hispanic, 1% Black, 1% Asian, 4% Two or more.
Who oversees Haddam-Killingworth Intermediate School?
Haddam-Killingworth Intermediate School is overseen by Regional School District 17 in Lower Connecticut River Valley Planning Region.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.