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Below Average

#791 of 990 schools in CT

Killingly High School

High School · Killingly School District · Dayville, CT

A high school in Dayville, CT where students score 10 points below what's typical for similar communities.

226 Putman Pike, Dayville, CT 06241

  • Math 17% proficient (2022)
  • Reading 57% proficient (2022)
  • 87.0% 4-year graduation

Academics

Full Profile · 4/4 metrics
Student Progress6.9Average25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data14
Annual Change-2.83 pts/yr
Data Period2009–2022
TrendDeclining
Academics4.6Below Average25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency17% (2022 EdFacts)
Reading/ELA Proficiency57% (2022 EdFacts)
Overall Proficiency37% (2022 EdFacts, Math+ELA)
Expected (poverty-adj.)47% (model expectation from 2022 EdFacts)
vs. Expected-9.9 pts
Adjusted Percentile27th
College Readiness3.3Needs Improvement30%
Graduation rates, AP course participation, and IB availability.
View breakdown
4-Year Graduation Rate87%
AP Participation7.1%
IB ProgramNo
Resources & Environment3.9Needs Improvement20%
Student-teacher ratio, district spending per student, and attendance.
View breakdown
Student-Teacher Ratio11.7:1
District spending per student$22,790
Chronic Absenteeism33.9%

Students at Killingly High School score 37% proficient, which is below what's typical for similar communities (expected: 47%).

How we calculate scores →

2022 EdFacts proficiency

Most recent published year. School vs. CT average.

Math Proficiency17%(2022 EdFacts)
School
State
Not reported(2022 EdFacts)
ELA Proficiency57%(2022 EdFacts)
School
State
Not reported(2022 EdFacts)

Trend

↓ Declining

Proficiency has fallen 8 points since 2019, to 37% in 2022, across a 14-year record (2009–2022).

Show all 14 years
2009
Math
67%
ELA
72%
2010
Math
77%
ELA
82%
2011
Math
68%
ELA
70%
2012
Math
72%
ELA
77%
2013
Math
25%
ELA
25%
2014
Math
22%
ELA
42%
2015
Math
22%
ELA
72%
2016
Math
22%
ELA
57%
2017
Math
27%
ELA
62%
2018
Math
27%
ELA
62%
2019
Math
27%
ELA
62%
2020*
Math
17%
ELA
57%
2021*
Math
17%
ELA
57%
2022
Math
17%
ELA
57%

Multi-year averages used by the rating model: math 36% (multi-year average, 2009-2022) · reading/ELA 61% (multi-year average, 2009-2022)

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Based on 28 test records from CT state assessments and EdFacts (NCES).

Equity & diversity

Shown separately, not included in the overall score

Free/reduced lunch

43%

Students qualifying for federal meal assistance

How we rate schools

A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.

See how we rate

The neighborhood

Where Killingly High School sits, and what the surrounding area looks like.

Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries.

Getting around & local context

  • Walk 3Car-Dependent
  • Bike 7Somewhat Bikeable

Powered byWalk Score

Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)

Median income

$80,547

Median home value

$272,200

Median rent

$938/mo

College educated

25.1%

Homeownership

76.5%

Poverty rate

11.4%

ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 06241; this is area context, not an attendance boundary.

Programs & students

Programs & Offerings

AP/IB Programs1AP course offered
7.1% participation·State avg: 3 AP courses·CRDC via Urban Institute · SY 2021–22
Advanced STEM Courses5of 5 advanced subjects offered
Algebra II, Advanced Math, Calculus, Chemistry, Physics·CRDC via Urban Institute · SY 2021–22

Compare nearby

Nearby same-level schools

4 from a 5-mile search

SchoolScoreGradesDistanceEnrollmentCompare
Northeast CdtPrivate · tuitionNot rated7–122.2 mi10Compare →
Quinebaug Middle CollegeEnrollment path unverified7.29–122.5 mi152Compare →
H. H. Ellis Technical High SchoolEnrollment path unverified5.89–123.1 mi650Compare →
Putnam Science AcademyPrivate · tuition6.8private9–124.3 mi120Compare →

Distance is proximity only; it is not attendance eligibility.

Private · tuition: Potential private option; tuition and admission requirements have not been verified.

Enrollment path unverified: Potential public school; its attendance or application path has not been classified.

Public and private scores come from different models and are shown side by side, not blended into one ranking.

Killingly School District

Schools in district
4
Rank in district
#2 of 4
District spending per student
$22,790NCES F-33 · FY 2023 · This annual source is three years behind the current year.
District child poverty rate
10.1%Census SAIPE · 2024

Killingly High School is listed in Killingly School District; a district label does not verify attendance for an address.

About Killingly High School

Killingly High School is a public high school in Dayville, CT, part of Killingly School District, serving approximately 762 students in grades 9th-12th with a 11.7:1 student-teacher ratio. It holds a MySchoolScout rating of 4.6 out of 10 and ranks #791 of 990 schools in CT. State assessment records show 36% math proficiency (multi-year average, 2009-2022) and 61% reading/ELA proficiency (multi-year average, 2009-2022).

Frequently asked questions

Common questions about Killingly High School

What grades does Killingly High School serve?

Killingly High School serves students in grades 9th through 12th.

How many students attend Killingly High School?

Killingly High School has an enrollment of approximately 762 students.

What is the student-teacher ratio at Killingly High School?

The student-teacher ratio at Killingly High School is 11.7:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Killingly High School rank in CT?

Killingly High School ranks #791 of 990 schools in CT.

What is Killingly High School's MySchoolScout rating?

Killingly High School has a current MySchoolScout rating of 4.6 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

What are the test scores at Killingly High School?

Based on loaded state assessment records, Killingly High School has 36% math proficiency (multi-year average, 2009-2022) and 61% reading/ELA proficiency (multi-year average, 2009-2022).

Is Killingly High School a charter school?

No, Killingly High School is not a charter school. It is a traditional public school operated by the local school district.

Is Killingly High School a Title I school?

No, Killingly High School is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Killingly High School?

43.0% of students at Killingly High 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.

School factsNCES Common Core of Data (CCD) (SY 2023–24)

Grades
9th – 12th
Enrollment
762
Student-Teacher Ratio
11.7:1
Teachers (FTE)
65
Type
regular
Setting
Fringe Rural
County
Connecticut Planning Region 5
Chronic Absenteeism (SY 2022-23)
33.9%
4-Year Graduation
87.0%
Area population (ZIP 06241)
6,317
Area average commute
24.3 min
Area median age
38.9
About this school's data

Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.

School directory (enrollment, grades, staff, contact)
NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
  • Source period: SY 2023–24. A newer release may be available.
MySchoolScout rating and rank
MySchoolScout ranking model · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
Math proficiency
State department of education · 2022 EdFacts · Low confidence
  • Older source: 2022 EdFacts. Use as historical context.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived from source records rather than read directly from one field.
Reading/ELA proficiency
State department of education · 2022 EdFacts · Low confidence
  • Older source: 2022 EdFacts. Use as historical context.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived from source records rather than read directly from one field.
Student progress (growth)
NCES EdFacts · Mixed source periods · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
Neighborhood (income, housing, education)
U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
  • Older source: ACS 2019–2023 5-year estimates. Use as historical context.
  • Reported for the ZCTA for ZIP 06241; this does not measure the attendance area.
Programs (AP/IB, athletics, gifted)
CRDC via Urban Institute · SY 2021–22 · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: SY 2021–22. A newer release may be available.

Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2022; directory SY 2023–24

About our data · How we calculate scores

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