- Enrollment
- 280
- Students per teacher
- 9.3:1
- Resource Index
- 42/100
Other / mixed grade configuration · Mundelein, IL
Diamond Lake School
Federal NCES profile for Diamond Lake School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 38/100.
2024-25 NCES dataOther / mixed grade configurationNCES 171221005571
👥 S:T ratio 70
🌟 Gifted program 30
🎓 Counselors 48
📋 Attendance 4
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Diamond Lake School earns 38/100 on the Resource Investment Index, with class sizes smaller than 98% of Illinois schools.
- #2 of 4
- schools in Mundelein · Resource Index
- 38
- Resource Index · Typical
- 7.5:1
- small classes for Illinois
- 262
- students enrolled
Diamond Lake School has class sizes smaller than 98% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Diamond Lake School ranks #2 of 4 schools in Mundelein, IL.
School address
District: Diamond Lake Sd 76 · Illinois
NCES ID 171221005571 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-26 students YoY
Diamond Lake School shrank from 321 students in 2022-23 to 295 in 2023-24 (-8.1%).
Teacher FTE lost 35.0 → 32.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Shrinking CCD campus
-26 students YoY 171221005571 · Mundelein, IL Other · SMALL · TRAD
262 enr · 7.5:1 · RII 38
Nearest enrollment peer: West Oak Middle School (280 students)
Diamond Lake School shrank from 321 students in 2022-23 to 295 in 2023-24 (-8.1%). Teacher FTE lost 35.0 → 32.0 across the same CCD years. Read with this school → · District book → · Illinois schools → · Find another →
Diamond Lake School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- West Oak Middl
West Oak Middle School
280 students
- West Oak Inter
West Oak Intermediate School
268 students
- This school
Diamond Lake School
262 students
What this shows Diamond Lake School reports 262 students on the CCD universe file.
How Diamond Lake School compares
Diamond Lake School is a shrinking campus on CCD: ratios and free-lunch share vs Illinois and U.S. means.
| Metric | This school | vs Illinois | Illinois avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 7.5:1 | ▼ 46% | 14:1 | 15.7:1 |
| Enrollment | 262 | top 71% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
7.5:1
Leaner classes than 96% of US schools, among the more generously staffed nationally.
262
Bigger than 27% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Staffing depth
7.5:1
students per teacher
- 46% below state mean
Top 2% in Illinois - lower ratio than 98% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
38.5%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$23,414
per pupil, district-wide
- above Illinois avg of $18,196
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors1.0 FTE
Per 262 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
Hispanic or Latino 64.1%
White 22.9%
Asian 5.7%
African American 3.8%
Two or More 3.4%
Largest group: Hispanic or Latino at 64.1% of enrollment.
Student-body diversity index 53.1/100
Simpson diversity index - at 53.1, Diamond Lake School is more mixed than the Illinois school average of 38.9.
Programs
District finance for Diamond Lake Sd 76 reports $23,414 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Diamond Lake School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| West Oak Middle School | Similar size | No free-lunch data | Higher S:T ratio |
| West Oak Intermediate School | Similar size | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Diamond Lake School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 268
- Students per teacher
- 9.9:1
- Resource Index
- 42/100
Similar other schools in Mundelein
3 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 (~262 students)
Frequently asked questions about Diamond Lake School
How many students attend Diamond Lake School?
Diamond Lake School has 262 students enrolled. It is a public school in Mundelein, IL. CCD year-over-year: 321 (2022-23) → 295 (2023-24), down 26.
What is the student-teacher ratio at Diamond Lake School?
The student-teacher ratio at Diamond Lake School is 7.5:1, which is 46% lower than the Illinois average of 14:1 and 52% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What is the racial and ethnic makeup of Diamond Lake School?
The largest demographic group at Diamond Lake School is Hispanic or Latino at 64.1% of enrollment, in Mundelein, IL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 53.1/100.
What is the Resource Investment Index for Diamond Lake School?
Diamond Lake School has a Resource Investment Index of 38/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Diamond Lake School rank among schools in Mundelein?
By Resource Investment Index, Diamond Lake School ranks #2 of 4 schools in Mundelein, IL. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Mundelein on the city page.
What other schools are in Diamond Lake Sd 76?
Besides Diamond Lake School, Diamond Lake Sd 76 also operates West Oak Middle School (280 students) and West Oak Intermediate School (268 students). See the Diamond Lake Sd 76 district page for the complete list.