1
Alumni: what's one memory from La Salle-Peru Twp High School that still sticks with you?
Community prompt from u/allk12. Replies below.
Enrollment
1,167
High
STATE 834
SCHOOL COMMUNITY·LA SALLE-PERU TWP HSD 120·NCES 172211002481
La Salle-Peru Twp High School
541 Chartres St, La Salle, IL 61301 · (815) 223-1721 · LaSalle County
GRADES 09–12HIGH32-TOWNTITLE IREGULAR SCHOOL1,167 STUDENTS
B
allk12 Grade
Scored higher than 55% of Illinois public high schools
- BTest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- BBeats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- ·Three-year trend Not available for this school, so the grade uses the other parts.
Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Illinois public high schools
Student : Teacher
13.1:1
89 FTE teachers
STATE 13.8:1
Free / Reduced Lunch
47%
552 students
STATE 56%
Community
5
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Grade 9 | 293 | 25% |
| Grade 10 | 292 | 25% |
| Grade 11 | 281 | 24% |
| Grade 12 | 301 | 26% |
Student demographics
48%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
STATE 69% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
BeatsExpectations
Demographically-adjusted score · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
37.7%
composite math + reading, all grades
Predicted
44.2%
based on IL schools with similar FRL share
Beats by
-6.5pp
below demographic expectation
What this means: About 38% of students here test proficient in math and reading, compared with the roughly 44% typical for Illinois schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Illinois's top nor bottom 10%.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
Schools most like La Salle-Peru Twp High School
La Salle-Peru Twp High School's state test result (37.7% proficient) is higher than 1 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| La Salle-Peru Twp High School this school | 1,167 | 47.3% | 37.7% |
| Belvidere North High School Belvidere | 1,354 | 45.6% | 34.7% |
| Bradley-Bourbonnais C High School Bradley | 1,914 | 49.8% | 37.9% |
| Pontiac High School Pontiac | 658 | 45.9% | 41.7% |
| Sandwich Community High School Sandwich | 560 | 46.1% | 40.9% |
| Woodstock North High School Woodstock | 915 | 40.3% | 42.8% |
Matched among Illinois high schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where La Salle-Peru Twp High School ranks
Among high schools| Measure | This school | In Illinois | In LaSalle County |
|---|---|---|---|
| State test proficiency ranked highest first | 37.7% | #246 of 573 | N/A |
| Enrollment ranked largest first | 1,167 | #194 of 708 | #2 of 8 |
| Students per teacher ranked fewest first | 13.1:1 | #168 of 528 | N/A |
| Diversity index ranked most diverse first | 48.5% | #190 of 537 | N/A |
| Free and reduced lunch ranked highest share first | 47.3% | #322 of 578 | N/A |
| Enrollment change since 2017-18 ranked steepest decline first | -4.1% | #276 of 358 | #6 of 6 |
Ranked against other public high schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
1,167
-55 (-5%) vs 2020
-5% since 1990-91, when it was 1,226
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 1,167 | 89.2 | 13.1:1 | 47% (552) |
| 2023-24 | 1,191 | 87.5 | 13.6:1 | 48% (569) |
| 2022-23 | 1,198 | 90.7 | 13.2:1 | 43% (517) |
| 2020-21 | 1,222 | N/A | N/A | N/A |
| 2017-18 | 1,217 | 84.7 | 14.4:1 | 42% (506) |
| 2015-16 | 1,219 | 85 | 14.3:1 | 44% (532) |
| 2010-11 | 1,179 | 81 | 14.6:1 | 30% (359) |
| 2000-01 | 1,293 | 76 | 17.0:1 | N/A |
| 1990-91 | 1,226 | 72 | 17.0:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for La Salle-Peru Twp High School.
Since 2017-18: students down 4% (1,217 to 1,167); teachers up 5% (84.7 to 89.2).
About La Salle-Peru Twp High School
La Salle-Peru Twp High School is a high school located in La Salle, Illinois, in LaSalle County. Classes run from 9 through 12, and the school has 1,167 students. Against the 834-student average for high schools in Illinois, enrollment here is 40% higher.
La Salle-Peru Twp High School reports to La Salle-Peru Twp HSD 120.
At La Salle-Peru Twp High School, White students make up 67% of the student body. The next largest groups are 24% Hispanic, 4% multiracial, and 2% Black. The school's White share is 18 points below the 86% share among LaSalle County residents. The school's diversity index is 48%, meaning two students picked at random have a 48% chance of belonging to different racial or ethnic groups.
Dividing enrollment by its 89.2 full-time-equivalent teachers gives a ratio of about 13.1:1. That is lower than the 13.8:1 average for high schools in Illinois. Eligible students account for 47% of enrollment in the free or reduced-price lunch program.
allk12 grades La Salle-Peru Twp High School a B. The grade compares the school only with Illinois public high schools, because each state gives its own test.
A school with La Salle-Peru Twp High School's lunch-eligibility share in Illinois is predicted to score 44.2%. La Salle-Peru Twp High School scores 37.7%, 6.5 points below that line.
Census Bureau estimates for LaSalle County show that the median household income is $73,045, roughly 21% of adults have a four-year degree or more, and the share of residents below the poverty line is 11%. There are 54 public schools in LaSalle County, enrolling about 14,523 students in all.
The nearest other public school, Lincoln Jr High School, is about 0.7 miles away. There are 7 more public schools inside five miles. Among the 7 closest schools with test data, this one included, La Salle-Peru Twp High School ranks 4th on average proficiency.
Locale: Town: Distant. In NCES terms, the school is in a town some distance from an urbanized area.
Federal data show a 5% enrollment decrease, from 1,222 in 2020-21 to 1,167 in 2024-25.
Community posts for La Salle-Peru Twp High School can cover enrollment questions, class placement, and PTA news. Alumni can share how the school prepared them.
LaSalle County at a glance
View full county profilePopulation
108,714
Census ACS
Median income
$73,045
Household, ACS
Bachelor's+
21%
Adults 25+
Poverty rate
11%
Below federal line
Schools in county
54
14,523 students
Quick facts
Related schools
Other schools in La Salle
- Northwest Elementary SchoolElementary · 650 students
- Lincoln Jr High SchoolMiddle · 269 students
- Dimmick Comm Cons SD 175Elementary · 153 students
Nearby schools
- Lincoln Jr High School0.7 mi · 269
- Northwest Elementary School1.0 mi · 650
- Northview Elementary School1.1 mi · 594
- Parkside Middle School1.8 mi · 372
- Lincoln Elementary School2.6 mi · 328
- Washington Elementary School3.4 mi · 116
Frequently asked questions
About La Salle-Peru Twp High SchoolWhat is the total enrollment at La Salle-Peru Twp High School?
La Salle-Peru Twp High School enrolls approximately 1,167 students in grades 09-12.
What age range does La Salle-Peru Twp High School serve?
La Salle-Peru Twp High School serves students from grade 09 through grade 12.
How many students per teacher at La Salle-Peru Twp High School?
Approximately 13.1:1 students per teacher at La Salle-Peru Twp High School.
How diverse is La Salle-Peru Twp High School?
La Salle-Peru Twp High School reports a student body of 67% White, 24% Hispanic, 2% Black, 2% Asian, 4% Two or more.
Is La Salle-Peru Twp High School public or private?
La Salle-Peru Twp High School is a public K-12 school, overseen by La Salle-Peru Twp HSD 120.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.