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How has Thornton Fractnl So High School changed in the last five years, for better or worse?
Community prompt from u/allk12. Replies below.
Enrollment
1,803
High
DISTRICT 1,614 · STATE 834
SCHOOL COMMUNITY·THORNTON FRACTIONAL TWP HSD 215·NCES 173894003953
Thornton Fractnl So High School
18500 Burnham Ave, Lansing, IL 60438 · (708) 585-2000 · Cook County
GRADES 09–12HIGH21-SUBURBTITLE IREGULAR SCHOOL1,803 STUDENTS
C+
allk12 Grade
Scored higher than 36% of Illinois public high schools
- CTest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- B-Beats 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
16.9:1
107 FTE teachers
DISTRICT 16.7:1 · STATE 13.8:1
Free / Reduced Lunch
66%
1,186 students
DISTRICT 72% · 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 | 420 | 23% |
| Grade 10 | 428 | 24% |
| Grade 11 | 463 | 26% |
| Grade 12 | 492 | 27% |
Student demographics
47%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 48% · 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
26.6%
composite math + reading, all grades
Predicted
33.5%
based on IL schools with similar FRL share
Beats by
-6.9pp
below demographic expectation
What this means: About 27% of students here test proficient in math and reading, compared with the roughly 34% 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 Thornton Fractnl So High School
Thornton Fractnl So High School's state test result (26.6% proficient) is higher than 3 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Thornton Fractnl So High School this school | 1,803 | 65.8% | 26.6% |
| Lindblom Math & Science Academy High School Chicago | 1,316 | 57.8% | 55.9% |
| Crete-Monee High School Crete | 1,480 | 57.0% | 18.3% |
| Thornwood High School South Holland | 1,843 | 73.5% | 15.6% |
| Brooks College Prep Academy High School Chicago | 1,007 | 58.8% | 71.7% |
| Thornton Fractnl No High School Calumet City | 1,425 | 77.4% | 21.4% |
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 Thornton Fractnl So High School ranks
Among high schools| Measure | This school | In Illinois | In Cook County |
|---|---|---|---|
| State test proficiency ranked highest first | 26.6% | #391 of 573 | #49 of 170 |
| Enrollment ranked largest first | 1,803 | #118 of 708 | #47 of 206 |
| Students per teacher ranked fewest first | 16.9:1 | #460 of 528 | #145 of 173 |
| Diversity index ranked most diverse first | 47.0% | #207 of 537 | #79 of 180 |
| Free and reduced lunch ranked highest share first | 65.8% | #169 of 578 | #130 of 171 |
| Enrollment change since 2017-18 ranked steepest decline first | -4.1% | #277 of 358 | #77 of 101 |
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
1,803
-108 (-6%) vs 2020
+39% since 1990-91, when it was 1,294
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 | 1,803 | 106.5 | 16.9:1 | 66% (1,186) |
| 2023-24 | 1,887 | 110.3 | 17.1:1 | 51% (965) |
| 2022-23 | 1,927 | 107.6 | 17.9:1 | 59% (1,138) |
| 2020-21 | 1,911 | N/A | N/A | N/A |
| 2017-18 | 1,880 | 106.9 | 17.6:1 | 95% (1,789) |
| 2015-16 | 1,794 | 101 | 17.8:1 | 72% (1,297) |
| 2010-11 | 2,000 | 94 | 21.3:1 | 60% (1,197) |
| 2000-01 | 1,463 | 84 | 17.4:1 | N/A |
| 1990-91 | 1,294 | 77 | 16.8:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Thornton Fractnl So High School.
Since 2017-18: students down 4% (1,880 to 1,803); teachers unchanged (106.9 to 106.5).
About Thornton Fractnl So High School
This page covers Thornton Fractnl So High School, a large high school in Lansing, Illinois. The school's enrollment of 1,803 students covers grades 9 through 12. Statewide, high schools in Illinois average about 834 students each.
Thornton Fractional Twp HSD 215 counts 3,228 students in its 2 schools, and Thornton Fractnl So High School is one of them.
By race and ethnicity, Thornton Fractnl So High School is 68% Black. It is also 25% Hispanic and 6% White. For comparison, the population of Cook County is roughly 22% Black. By the diversity index, Thornton Fractnl So High School comes in at 47%.
The school reported 106.5 full-time-equivalent teachers in 2024-25 and a ratio of 16.9:1. The 13.8:1 average for high schools in Illinois is lower than this school's figure. Eligible students account for 66% of enrollment in the free or reduced-price lunch program. Across public schools in Cook County, the average is about the same, 66%.
Thornton Fractnl So High School is graded C+ by allk12, scoring above 36% of Illinois public high schools once test results, poverty-adjusted performance, and the recent trend are combined.
Compared with Illinois schools that have similar shares of low-income students, Thornton Fractnl So High School's results are 6.9 points below predicted: 26.6% against 33.5%.
According to the American Community Survey, in Cook County, median household income is about $83,498, roughly 43% of adults have a four-year degree or more, and the share of residents below the poverty line is 10%. Thornton Fractnl So High School is one of 1,406 public schools in Cook County, which together enroll about 697,934 students.
Of nearby public schools, Lester Crawl Primary Center is the closest, at about 0.3 miles. Inside a five-mile radius, there are at least 8 other public schools. Among 8 nearby schools that report test results, Thornton Fractnl So High School ranks 7th on proficiency.
Locale data from NCES put Thornton Fractnl So High School in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more (Suburb: Large).
From 2020-21 to 2024-25, Thornton Fractnl So High School went from 1,911 students to 1,803.
Topics for discussion here include sports tryouts, band and choir, and theater. Alumni can share how the school prepared them.
Cook County at a glance
View full county profilePopulation
5,182,090
Census ACS
Median income
$83,498
Household, ACS
Bachelor's+
43%
Adults 25+
Poverty rate
10%
Below federal line
Schools in county
1,406
697,934 students
Quick facts
Related schools
Other schools in Thornton Fractional Twp HSD 215
- Thornton Fractnl No High SchoolHigh · 1,425 students
- Center for Academics and TechnoloHigh
- Center for Alternative LearningHigh
Other schools in Lansing
- Memorial Jr High SchoolMiddle · 854 students
- Coolidge Elementary SchoolElementary · 670 students
- Oak Glen Elementary SchoolElementary · 526 students
- Nathan Hale Elementary SchoolElementary · 525 students
- Heritage Middle SchoolMiddle · 500 students
- Reavis Elementary SchoolElementary · 362 students
Nearby schools
- Lester Crawl Primary Center0.3 mi · 135
- Memorial Jr High School0.6 mi · 854
- Nathan Hale Elementary School0.7 mi · 525
- Heritage Middle School0.9 mi · 500
- Coolidge Elementary School0.9 mi · 670
- Oak Glen Elementary School1.3 mi · 526
Frequently asked questions
About Thornton Fractnl So High SchoolWhat is the total enrollment at Thornton Fractnl So High School?
Thornton Fractnl So High School enrolls approximately 1,803 students in grades 09-12.
Is Thornton Fractnl So High School an elementary, middle, or high school?
Thornton Fractnl So High School is a high school covering grades 09-12.
How many teachers does Thornton Fractnl So High School have?
Thornton Fractnl So High School employs 107 FTE teachers, for a student-to-teacher ratio of 16.9:1.
What is the student diversity at Thornton Fractnl So High School?
Student demographics at Thornton Fractnl So High School are roughly 6% White, 25% Hispanic, 68% Black, 1% Asian, 1% Two or more.
Who oversees Thornton Fractnl So High School?
Thornton Fractnl So High School is overseen by Thornton Fractional Twp HSD 215 in Cook County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.