High school (grades 9-12) · Lake Forest, IL
Lake Forest High School
Federal NCES profile for Lake Forest High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 56/100.
The verdict
Lake Forest High School earns 56/100 on the Resource Investment Index, with class sizes smaller than 86% of Illinois schools. It is also one of the largest schools in Illinois.
- #4 of 7
- public schools in Lake Forest · Resource Index
- 56
- Resource Index · Higher
- 10.5:1
- small classes for Illinois
- 1,359
- students enrolled
Lake Forest High School has class sizes smaller than 86% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Lake Forest High School ranks #4 of 7 public schools in Lake Forest, IL.
School address
NCES ID 172178002452 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-63 students YoY
Lake Forest High School held near 1,375 students from 2022-23 to 2023-24 (-63 headcount).
Teacher FTE lost 129.9 → 124.2 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-63 students YoY 172178002452 · Lake Forest, IL High · MID · TRAD
1,359 enr · 10.5:1 · RII 56
Nearest enrollment peer: Riverdale High School (1,359 students)
Lake Forest High School held near 1,375 students from 2022-23 to 2023-24 (-63 headcount). Teacher FTE lost 129.9 → 124.2 across the same CCD years. Read with this school → · District book → · Illinois schools → · Find another →
How Lake Forest High School compares
Lake Forest High School held steady on CCD headcount: ratios and free-lunch share vs Illinois and U.S. means.
| Metric | This school | vs Illinois | Illinois avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 10.5:1 | ▼ 25% | 14:1 | 15.7:1 |
| Enrollment | 1,359 | top 4% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Equity indicators methodology
Student demographics
Largest group: White at 76.4% of enrollment.
Simpson diversity index - at 39.7, Lake Forest High School is about as mixed as the Illinois school average of 38.9.
Programs
District finance for Lake Forest Chsd 115 reports $40,042 per pupil (NCES F-33) - open the district page for the full revenue mix.
Nationwide high 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 (~1,359 students)
Similar student-teacher ratio (~10.5:1)
Frequently asked questions about Lake Forest High School
How many students attend Lake Forest High School?
Lake Forest High School has 1,359 students enrolled. It is a high school in Lake Forest, IL. CCD year-over-year: 1,438 (2022-23) → 1,375 (2023-24), nearly flat (-63).
What is the student-teacher ratio at Lake Forest High School?
The student-teacher ratio at Lake Forest High School is 10.5:1, which is 25% lower than the Illinois average of 14:1 and 33% 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 Forest High School?
The largest demographic group at Lake Forest High School is White at 76.4% of enrollment, in Lake Forest, IL.
What is the Resource Investment Index for Lake Forest High School?
Lake Forest High School has a Resource Investment Index of 56/100 (higher 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 Lake Forest High School rank among public schools in Lake Forest?
By Resource Investment Index, Lake Forest High School ranks #4 of 7 public schools in Lake Forest, IL. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Lake Forest on the city page.
What other schools are in Lake Forest Chsd 115?
None reported; Lake Forest Chsd 115 operates only Lake Forest High School as a public school district in NCES's records.