Enrollment
1,167
Illinois · 2024-25 NCES data
High school (grades 9-12) · La Salle, IL
La Salle-Peru Twp High School
Federal NCES profile for La Salle-Peru Twp High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 43/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 172211002481
👥 S:T ratio 48
📚 AP courses 70
🌟 Gifted program 30
🎓 Counselors 53
📋 Attendance 13
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
La Salle-Peru Twp High School earns 43/100 on the Resource Investment Index, with class sizes near the Illinois median. It is also one of the largest schools in Illinois.
- #2 of 4
- public schools in La Salle · Resource Index
- 43
- Resource Index · Typical
- 13:1
- students per teacher
- 1,167
- students enrolled
La Salle-Peru Twp High School has class sizes near the Illinois median. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, La Salle-Peru Twp High School ranks #2 of 4 public schools in La Salle, IL.
School address
District: La Salle-Peru Twp Hsd 120 · Illinois
NCES ID 172211002481 Verify on NCES CCD record →
Teachers (FTE)
90.0
Federal CCD staff survey
Students per teacher
13:1
vs 14:1 Illinois avg
-7% vs state
Student-teacher ratio in context
How La Salle-Peru Twp High School compares with Illinois and U.S. medians
What stands out at La Salle-Peru Twp High School
La Salle-Peru Twp High School is a large high school in La Salle, Illinois, enrolling 1,167 students.
At 13:1, its student-teacher ratio sits close to the Illinois median, within a few percentage points of the 14:1 state norm, neither notably crowded nor notably small.
By headcount it is one of the larger campuses in Illinois, bigger than 95% of state schools at 1,167 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 (67%) and Hispanic or Latino (24%) (diversity index 49/100).
On the academic-pipeline side it reports 14 Advanced Placement courses.
Counselor coverage is strong, about 233 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 34.9% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Discipline events run high: 392 in- and out-of-school suspensions were reported for 1,167 students in the 2021-22 Civil Rights Data Collection.
The federal civil-rights collection also records 2 expulsions at this campus for 2021-22.
La Salle-Peru Twp Hsd 120 operates only this one school, so La Salle-Peru Twp High School has no district-mates to compare against locally. At 1,167 students, it is also among the largest single-school districts in Illinois, well beyond the enrollment of a typical standalone charter.
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 La Salle-Peru Twp High School compares
La Salle-Peru Twp 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 | 13:1 | ▼ 7% | 14:1 | 15.7:1 |
| Enrollment | 1,167 | top 5% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
13:1
Leaner classes than 67% of US schools, among the more generously staffed nationally.
1,167
Bigger than 94% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Staffing depth
13:1
students per teacher
- 7% below state mean
Top 42% in Illinois - lower ratio than 58% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
34.9%
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
$18,175
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
Counselors5.0 FTE
Per 233 students, the combined health-and-guidance staffing load for this school.
Discipline context
279
in-school suspensions + 113 out-of-school
Suspension rate: 23.9 per 100 students. Combined in-school and out-of-school rate: 33.6 per 100 students. Reported via the Civil Rights Data Collection. Includes 2 expulsions.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
White 67.4%
Hispanic or Latino 24.0%
Two or More 4.4%
African American 2.5%
Asian 1.5%
American Indian / Alaska Native 0.1%
Native Hawaiian / Pacific Islander 0.1%
Largest group: White at 67.4% of enrollment.
Student-body diversity index 48.5/100
Simpson diversity index - at 48.5, La Salle-Peru Twp High School is more mixed than the Illinois school average of 38.9.
Programs
AP courses offered 14
Funding & spending
District-wide per-pupil expenditure for La Salle-Peru Twp Hsd 120, which includes La Salle-Peru Twp High School.
$18,175
Per student
+7%
vs Illinois
Avg $17,042
+10%
vs U.S.
Avg $16,593
Revenue mix
Local 70.1%
State 23.4%
Federal 6.5%
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.
Similar high schools statewide
Matched by enrollment size and by staffing ratio across all of Illinois, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~1,167 students)
Next steps
Verify locally before acting on La Salle-Peru Twp High School's federal record.
- Compare La Salle-Peru Twp High School against another school. Compare schools
- La Salle-Peru Twp Hsd 120'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 La Salle-Peru Twp High School
How many students attend La Salle-Peru Twp High School?
La Salle-Peru Twp High School has 1,167 students enrolled. It is a high school in La Salle, IL.
What is the student-teacher ratio at La Salle-Peru Twp High School?
The student-teacher ratio at La Salle-Peru Twp High School is 13:1, which is 7% lower than the Illinois average of 14:1 and 17% 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 La Salle-Peru Twp High School?
The largest demographic group at La Salle-Peru Twp High School is White at 67.4% of enrollment, in La Salle, IL.
What is the Resource Investment Index for La Salle-Peru Twp High School?
La Salle-Peru Twp High School has a Resource Investment Index of 43/100 (typical 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 La Salle-Peru Twp High School rank among public schools in La Salle?
By Resource Investment Index, La Salle-Peru Twp High School ranks #2 of 4 public schools in La Salle, 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 La Salle on the city page.
Is La Salle-Peru Twp High School a good school?
La Salle-Peru Twp High School earns 43/100 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 La Salle-Peru Twp Hsd 120?
None reported; La Salle-Peru Twp Hsd 120 operates only La Salle-Peru Twp High School as a public school district in NCES's records.
Related tools
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, or report a data error. Data current as of June 2026.