Enrollment
1,839
Illinois · 2024-25 NCES data
High school (grades 9-12) · Lake Zurich, IL
Lake Zurich High School
Federal NCES profile for Lake Zurich High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 54/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 172190002460
👥 S:T ratio 43
📚 AP courses 100
🌟 Gifted program 30
🎓 Counselors 47
📋 Attendance 50
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Lake Zurich High School earns 54/100 on the Resource Investment Index, with class sizes near the Illinois median. It is also one of the largest schools in Illinois.
- #5 of 5
- public schools in Lake Zurich · Resource Index
- 54
- Resource Index · Higher
- 14.3:1
- students per teacher
- 1,839
- students enrolled
Lake Zurich High School has class sizes near the Illinois median. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Lake Zurich High School ranks #5 of 5 public schools in Lake Zurich, IL.
School address
District: Lake Zurich Cusd 95 · Illinois
NCES ID 172190002460 Verify on NCES CCD record →
Teachers (FTE)
126.0
Federal CCD staff survey
Students per teacher
14.3:1
vs 14:1 Illinois avg
+2% vs state
Student-teacher ratio in context
How Lake Zurich High School compares with Illinois and U.S. medians
What stands out at Lake Zurich High School
Lake Zurich High School is a large high school in Lake Zurich, Illinois, enrolling 1,839 students.
Class loads run somewhat heavier than typical: 14.3:1 puts it in the larger third of Illinois schools by student-teacher ratio.
By headcount it is one of the larger campuses in Illinois, bigger than 97% of state schools at 1,839 students.
Its Resource Investment Index sits near the middle of the pack among 3,845 scored Illinois schools.
Its student body is led by White (77%) and Asian (10%) (diversity index 38/100).
On the academic-pipeline side it reports 20 Advanced Placement courses.
Counselor coverage runs a bit thin, about 263 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Attendance runs somewhat below the norm, with 20.1% of students chronically absent per the 2021-22 civil-rights collection.
Lake Zurich Cusd 95 also operates Lake Zurich Middle - N Campus (697 students) and May Whitney Elem School (677 students) alongside Lake Zurich High School.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Lake Zurich High School compares
Lake Zurich High 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 | 14.3:1 | ▲ 2% | 14:1 | 15.7:1 |
| Enrollment | 1,839 | top 3% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
14.3:1
Leaner classes than 56% of US schools, a middle-of-the-pack class size.
1,839
Bigger than 98% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Staffing depth
14.3:1
students per teacher
- 2% above state mean
Top 61% in Illinois - lower ratio than 39% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
20.1%
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
$19,905
per pupil, district-wide
- above Illinois avg of $17,042
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors7.0 FTE
Per 263 students, the combined health-and-guidance staffing load for this school.
Discipline context
8
in-school suspensions + 2 out-of-school
Suspension rate: 0.4 per 100 students. Combined in-school and out-of-school rate: 0.5 per 100 students. Reported via the Civil Rights Data Collection.
Overview
Enrollment 1,839 Top 3% in Illinois - larger than 97% of 3,845 state schools
Teachers (FTE) 126.0
Students per teacher 14.3:1 +2% vs state
Free-lunch eligible -
NCES ID 172190002460
Student demographics
White 77.3%
Asian 9.6%
Hispanic or Latino 9.4%
Two or More 1.7%
African American 1.2%
American Indian / Alaska Native 0.6%
Native Hawaiian / Pacific Islander 0.2%
Largest group: White at 77.3% of enrollment.
Student-body diversity index 38.4/100
Simpson diversity index - at 38.4, Lake Zurich High School is about as mixed as the Illinois school average of 38.9.
Programs & staff
AP courses offered 20
Counselors (FTE) 7.0
Students per counselor 263:1
Discipline & special education
Chronically absent 20.1%
In-school suspensions 8
Out-of-school suspensions 2
Funding & spending
District-wide per-pupil expenditure for Lake Zurich Cusd 95, which includes Lake Zurich High School.
$19,905
Per student
+17%
vs Illinois
Avg $17,042
+20%
vs U.S.
Avg $16,593
Revenue mix
Local 72.5%
State 23.9%
Federal 3.6%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Lake Zurich High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Lake Zurich Middle - N Campus | Smaller | No free-lunch data | Lower S:T ratio |
| May Whitney Elem School | Smaller | No free-lunch data | Similar S:T ratio |
| Lake Zurich Middle - S Campus | Smaller | No free-lunch data | Lower S:T ratio |
| Isaac Fox Elementary School | Smaller | No free-lunch data | Higher S:T ratio |
| Spencer Loomis Elementary School | Smaller | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Lake Zurich High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 697
- Students per teacher
- 12.8:1
- Resource Index
- 48/100
- Enrollment
- 677
- Students per teacher
- 13.4:1
- Resource Index
- 64/100
- Enrollment
- 599
- Students per teacher
- 11.5:1
- Resource Index
- 49/100
- Enrollment
- 520
- Students per teacher
- 16.9:1
- Resource Index
- 60/100
- Enrollment
- 516
- Students per teacher
- 16.3:1
- Resource Index
- 49/100
Next steps
Verify locally before acting on Lake Zurich High School's federal record.
- Compare Lake Zurich High School against another school. Compare schools
- Lake Zurich Cusd 95's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Lake Zurich High School
How many students attend Lake Zurich High School?
Lake Zurich High School has 1,839 students enrolled. It is a high school in Lake Zurich, IL.
What is the student-teacher ratio at Lake Zurich High School?
The student-teacher ratio at Lake Zurich High School is 14.3:1, which is 2% higher than the Illinois average of 14:1 and 9% lower than the national average of 15.7:1.
What is the racial and ethnic makeup of Lake Zurich High School?
The largest demographic group at Lake Zurich High School is White at 77.3% of enrollment, in Lake Zurich, IL.
What is the Resource Investment Index for Lake Zurich High School?
Lake Zurich High School has a Resource Investment Index of 54/100 (higher reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Lake Zurich High School rank among public schools in Lake Zurich?
By Resource Investment Index, Lake Zurich High School ranks #5 of 5 public schools in Lake Zurich, 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 Zurich on the city page.
Is Lake Zurich High School a good school?
Lake Zurich High School earns 54/100 on the Resource Investment Index, with class sizes near the Illinois median. It is also one of the largest schools in Illinois. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Lake Zurich Cusd 95?
Besides Lake Zurich High School, Lake Zurich Cusd 95 also operates Lake Zurich Middle - N Campus (697 students), May Whitney Elem School (677 students), and Lake Zurich Middle - S Campus (599 students). See the Lake Zurich Cusd 95 district page for the complete list.