- Enrollment
- 701
- Students per teacher
- 10.6:1
- Resource Index
- 56/100
Other / mixed grade configuration · Ellington, CT
Crystal Lake School
Federal NCES profile for Crystal Lake School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 46/100.
2024-25 NCES dataOther / mixed grade configurationNCES 090144000236
👥 S:T ratio 46
🌟 Gifted program 30
📋 Attendance 60
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Crystal Lake School earns 46/100 on the Resource Investment Index, with class sizes larger than 80% of Connecticut schools.
- #5 of 5
- public schools in Ellington · Resource Index
- 46
- Resource Index · Typical
- 13.4:1
- large classes for Connecticut
- 14.7%
- free-lunch eligible
Crystal Lake School has class sizes larger than 80% of Connecticut schools. Computed live against every Connecticut school reporting to NCES.
By Resource Investment Index, Crystal Lake School ranks #5 of 5 public schools in Ellington, CT.
School address
District: Ellington School District · Connecticut
NCES ID 090144000236 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+2 students YoY
Crystal Lake School held near 309 students from 2022-23 to 2023-24 (+2 headcount).
Teacher FTE lost 23.2 → 22.3 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+2 students YoY 090144000236 · Ellington, CT Other · SMALL · TRAD
308 enr · 13.4:1 · 14.7% lunch · RII 46
Nearest enrollment peer: Ellington High School (701 students)
Crystal Lake School held near 309 students from 2022-23 to 2023-24 (+2 headcount). Teacher FTE lost 23.2 → 22.3 across the same CCD years. Read with this school → · District book → · Connecticut schools → · Find another →
Crystal Lake School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Ellington High
Ellington High School
701 students
- Windermere Sch
Windermere School
627 students
- Center School
Center School
445 students
- Ellington Midd
Ellington Middle School
393 students
- This school
Crystal Lake School
308 students
What this shows Crystal Lake School reports 308 students on the CCD universe file.
How Crystal Lake School compares
Crystal Lake 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 | 13.4:1 | ▲ 11% | 12.1:1 | 15.7:1 |
| Free-lunch eligible | 14.7% | ▼ 60% | 36.4% | 51.7% |
| Enrollment | 308 | top 74% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
13.4:1
Leaner classes than 63% of US schools, a middle-of-the-pack class size.
308
Bigger than 33% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
14.7%
free-lunch eligible
- 60% 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
13.4:1
students per teacher
- 11% above state mean
Top 80% in Connecticut - lower ratio than 20% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
15.9%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$21,456
per pupil, district-wide
- below 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
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
3
in-school suspensions + 1 out-of-school
Suspension rate: 1.0 per 100 students. Combined in-school and out-of-school rate: 1.3 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 76.6%
Hispanic or Latino 10.1%
Two or More 5.8%
African American 4.5%
Asian 2.9%
Largest group: White at 76.6% of enrollment.
Student-body diversity index 39.7/100
Simpson diversity index - at 39.7, Crystal Lake School is less mixed than the Connecticut school average of 50.5.
Programs
District finance for Ellington School District reports $21,456 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Crystal Lake School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Ellington High School | Larger | Similar economic need | Lower S:T ratio |
| Windermere School | Larger | Similar economic need | Similar S:T ratio |
| Center School | Larger | Similar economic need | Similar S:T ratio |
| Ellington Middle School | Larger | Similar economic need | Lower S:T ratio |
Comparisons are relative to Crystal Lake School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 627
- Students per teacher
- 12.3:1
- Resource Index
- 49/100
- Enrollment
- 445
- Students per teacher
- 13.5:1
- Resource Index
- 51/100
- Enrollment
- 393
- Students per teacher
- 11.6:1
- Resource Index
- 54/100
Similar other schools in Ellington
1 comparable other schools (grades Mixed) serving the same city.
Nationwide other 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 (~308 students)
Frequently asked questions about Crystal Lake School
How many students attend Crystal Lake School?
Crystal Lake School has 308 students enrolled. It is a public school in Ellington, CT. CCD year-over-year: 307 (2022-23) → 309 (2023-24), nearly flat (+2).
What is the student-teacher ratio at Crystal Lake School?
The student-teacher ratio at Crystal Lake School is 13.4:1, which is 11% higher than the Connecticut average of 12.1:1 and 15% lower than the national average of 15.7:1.
What percentage of students receive free lunch at Crystal Lake School?
14.7% of students at Crystal Lake School are eligible for free lunch, compared to the Connecticut average of 36.4%.
What is the racial and ethnic makeup of Crystal Lake School?
The largest demographic group at Crystal Lake School is White at 76.6% of enrollment, in Ellington, CT.
What is the Resource Investment Index for Crystal Lake School?
Crystal Lake School has a Resource Investment Index of 46/100 (typical reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, gifted-program reporting, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Crystal Lake School rank among public schools in Ellington?
By Resource Investment Index, Crystal Lake School ranks #5 of 5 public schools in Ellington, CT. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Ellington on the city page.
What other schools are in Ellington School District?
Besides Crystal Lake School, Ellington School District also operates Ellington High School (701 students), Windermere School (627 students), and Center School (445 students). See the Ellington School District district page for the complete list.