- Enrollment
- 572
- Students per teacher
- 11.7:1
- Resource Index
- 51/100
Middle school (grades 6-8) · Lake Bluff, IL
Lake Bluff Middle School
Federal NCES profile for Lake Bluff Middle School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 49/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 172172002444
👥 S:T ratio 59
🌟 Gifted program 30
📋 Attendance 59
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Lake Bluff Middle School earns 49/100 on the Resource Investment Index, with class sizes smaller than 89% of Illinois schools.
- 49
- Resource Index · Higher
- 10.2:1
- small classes for Illinois
- 305
- students enrolled
Lake Bluff Middle School has class sizes smaller than 89% of Illinois schools. Computed live against every Illinois school reporting to NCES.
School address
District: Lake Bluff Esd 65 · Illinois
NCES ID 172172002444 Verify on NCES CCD record →
NCES CCD universe card
School universe 172172002444 · Lake Bluff, IL Middle · SMALL · TRAD
305 enr · 10.2:1 · RII 49
Nearest enrollment peer: Lake Bluff Elem Sch (572 students)
Lake Bluff Middle School CCD stamps from the federal school universe. NCES Common Core of Data stamps for this campus. Read with this school → · District book → · Illinois schools → · Find another →
How Lake Bluff Middle School compares
Lake Bluff Middle School on the metrics families compare, against Illinois and U.S. means.
| Metric | This school | vs Illinois | Illinois avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 10.2:1 | ▼ 27% | 14:1 | 15.7:1 |
| Enrollment | 305 | top 63% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
10.2:1
Leaner classes than 88% of US schools, among the more generously staffed nationally.
305
Bigger than 33% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Staffing depth
10.2:1
students per teacher
- 27% below state mean
Top 11% in Illinois - lower ratio than 89% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
16.4%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$25,610
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
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
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
White 71.5%
Hispanic or Latino 15.4%
Asian 7.2%
Two or More 4.6%
African American 1.0%
American Indian / Alaska Native 0.3%
Largest group: White at 71.5% of enrollment.
Student-body diversity index 45.8/100
Simpson diversity index - at 45.8, Lake Bluff Middle School is more mixed than the Illinois school average of 38.9.
Programs
Funding & spending
District-wide per-pupil expenditure for Lake Bluff Esd 65, which includes Lake Bluff Middle School.
$25,610
Per student
+41%
vs Illinois
Avg $18,196
+45%
vs U.S.
Avg $17,658
Revenue mix
Local 76.3%
State 21.1%
Federal 2.7%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2022-23 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Lake Bluff Middle School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Lake Bluff Elem Sch | Larger | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Lake Bluff Middle School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
Nationwide middle 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 (~305 students)
Frequently asked questions about Lake Bluff Middle School
How many students attend Lake Bluff Middle School?
Lake Bluff Middle School has 305 students enrolled. It is a middle school in Lake Bluff, IL.
What is the student-teacher ratio at Lake Bluff Middle School?
The student-teacher ratio at Lake Bluff Middle School is 10.2:1, which is 27% lower than the Illinois average of 14:1 and 35% 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 Lake Bluff Middle School?
The largest demographic group at Lake Bluff Middle School is White at 71.5% of enrollment, in Lake Bluff, IL.
What is the Resource Investment Index for Lake Bluff Middle School?
Lake Bluff Middle School has a Resource Investment Index of 49/100 (higher 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).
What other schools are in Lake Bluff Esd 65?
Besides Lake Bluff Middle School, Lake Bluff Esd 65 also operates Lake Bluff Elem Sch (572 students). See the Lake Bluff Esd 65 district page for the complete list.
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error. Data current as of August 2026.