Skip to main content

Very Good

#901 of 3,813 schools in IL

Top 24% in state

Thornwood High School

High School · Thornton Twp HSD 205

17101 S Park Ave, South Holland, IL 60473

Enrollment

1,868

Student-Teacher

13.2:1

Score

7.5

Grades

9th – 12th

Data vintage2022-23

How this school compares

Illinois schools

#901 of 3,813

In South Holland

#1 of 7

public schools

In district

#1 of 3

Thornton Twp HSD 205

Academic growth

9.5 / 10

Excellent

School shortlistprofile + nearby

Shortlisting around Thornwood High School?

Use this profile as one decision point, then compare nearby options, source confidence, and commute fit before picking a neighborhood around it.

Shortlist starter

Start with these real page-level signals, then use the full table and map below.

Thornwood High School

7.5/10

High School in South Holland · grades 9th – 12th. Start here, then compare fit against nearby and district options.

Mckinley Elem School

4.3/10

0.5 mi away. Use as a geographic alternative in the same move search.

Mckinley JR High School

5.3/10

0.5 mi away. Use as a geographic alternative in the same move search.

About Thornwood High School

Thornwood High School is a public high school in South Holland, IL, part of Thornton Twp HSD 205. Thornwood High School serves approximately 1,868 students, and covers grades 9th-12th, and has a 13.2:1 student-teacher ratio. Thornwood High School has a current MySchoolScout rating of 7.5 out of 10 and ranks #901 of 3,813 schools in IL.

Structured state assessment records for Thornwood High School show 14% math proficiency (multi-year average, 2009-2021) and 19% reading/ELA proficiency (multi-year average, 2009-2022).

How it compares0.3 pts above district
  • This school 7.5 · Very Good
  • District avg 7.2
  • IL avg 6.6

What Parents Should Know

Test scores at Thornwood High School sit below average, but its growth scores are strong: students here make above-average progress year over year. The raw numbers haven't caught up, but a school that keeps moving kids forward is doing the harder, more important work.

50% of students at Thornwood High School were chronically absent in the 2022-23 school year, above the national average. Chronic absenteeism means missing 15 or more school days, and at high rates it drags on classroom pacing for everyone. Ask what the school does to help families get kids to class consistently.

Score Breakdown

Full Profile · 4/4 metrics
Student Progress9.5Excellent25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data14
Annual Change-2.04 pts/yr
Data Period2009–2022
TrendDeclining
Academics3.6Needs Improvement25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency8% (2021 EdFacts)
Reading/ELA Proficiency8% (2022 EdFacts)
Overall Proficiency8% (2022 EdFacts, Math+ELA)
Expected (poverty-adj.)16% (model expectation from 2022 EdFacts)
vs. Expected-8.3 pts
Adjusted Percentile17th
College Readiness9.2Excellent30%
Graduation rates, AP course participation, and IB availability.
View breakdown
AP Participation8.4%
IB ProgramYes
Resources & Environment7.1Very Good20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio13.2:1
Per-Pupil Spending$28,504
Chronic Absenteeism50.2%

Thornwood High School — Students at Thornwood High School score 8% proficient, which is below what's typical for similar communities (expected: 16%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

72.1%

Students qualifying for federal meal assistance

Test Scores IL EDFACTS (2021-22)

Math Proficiency 13.5% (multi-year average, 2009-2021)
School
State
N/A
ELA Proficiency 18.9% (multi-year average, 2009-2022)
School
State
N/A

Based on 27 test records from IL state assessments. About our data

Proficiency Trend

↓ Declining

Average proficiency (% at or above grade level) across Math & ELA over time.

2009
Math
26%
ELA
33%
2010
Math
18%
ELA
26%
2011
Math
27%
ELA
33%
2012
Math
24%
ELA
33%
2013
Math
19%
ELA
30%
2014
Math
9%
ELA
19%
2015
Math
4%
ELA
20%
2016
Math
9%
ELA
12%
2017
Math
7%
ELA
8%
2018
Math
8%
ELA
12%
2019
Math
8%
ELA
12%
2020*
Math
8%
ELA
9%
2021*
Math
8%
ELA
9%
2022
ELA
8%

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Source: EdFacts (NCES) and state assessment data. Growth score: 9.5/10.

How Thornwood High School Compares

See how Thornwood High School performs across key quality dimensions compared to state benchmarks.

Overall Score
7.5/10
76th percentile in IL
Academic
3.6/10
Needs Improvement
Growth
9.5/10
Excellent
Environment
7.1/10
Very Good
AP Courses
3
State avg: 2.7
Sports
13
6 boys' · 7 girls'
Advanced STEM
5/5
Subjects offered

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
72%
Teaching Staff
13:1 student-teacher ratio
141 teachers
Chronic Absenteeism
Students missing 15+ days per year (SY 2022-23)
50.2%

Programs & Offerings

AP/IB Programs3 AP courses offered IB Programme
8.4% participation·State avg: 2.7 AP courses·26 IB enrolled·CRDC 2021-22
Athletics13sports offered
6 boys'·7 girls'·31 teams (incl. JV)·CRDC 2021-22
Advanced STEM Courses5 of 5 advanced subjects offered
Algebra II, Advanced Math, Calculus, Chemistry, Physics·CRDC 2021-22

Data as of 2021-22 · Source: CRDC via Urban Institute · Learn more

Location

17101 S Park Ave, South Holland, IL 60473

Nearby Alternatives

Families considering Thornwood High School may also want to explore other high schools in the area. UNITY CHRISTIAN ACADEMY (rated 7.2/10, 1.0 miles away), with a very similar rating. Another option is Thornridge High School (rated 6.7/10, 2.6 miles away, in nearby Dolton), with a comparable rating. Additionally, AMERICAN SCHOOL (rated 4.8/10, 2.2 miles away, in nearby Lansing), a more accessible option. For more schools in South Holland, see our South Holland schools guide .

Nearby Schools

20 within 2.5 mi
School Distance Rating
McKinley Elem School South Holland 0.5 mi 4.3
McKinley Jr High School South Holland 0.5 mi 5.3
LAREN MONTESSORI SCHOOL South Holland 0.9 mi
UNITY CHRISTIAN ACADEMY South Holland 1.0 mi 7.2
Greenwood Elem School South Holland 0.9 mi 2.6
Wolcott School Thornton 1.1 mi 4.3
CALVIN CHRISTIAN SCHOOL South Holland 1.3 mi 5.5
CALVARY ACADEMY South Holland 1.2 mi 5.4
Eisenhower School South Holland 1.7 mi 4.9
Madison School South Holland 1.9 mi 5.8
Taft School Harvey 1.6 mi 6.1
Coolidge Middle School Phoenix 2.0 mi 5.2
THE ALPHABET CAMPUS Homewood 2.0 mi
Holmes Elem School Harvey 2.0 mi 4.3
Thornridge High School Dolton 2.6 mi 6.7
Longwood Elem School Glenwood 2.4 mi 3.1
Brookwood Jr High School Glenwood 2.8 mi 5.0
Brookwood Middle School Glenwood 2.9 mi 2.7
AMERICAN SCHOOL Lansing 2.2 mi 4.8
New Beginnings Learning Academy South Holland 2.5 mi 4.7

Neighborhood Census ACS (2019-2023)

Census data for ZIP 60473 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$88,046

Median Home Value

$200,000

Median Rent

$1,914/mo

Population

21,407

College Educated

26.6%

Homeownership

83.2%

Avg Commute

36.5 min

Poverty Rate

13.2%

Median Age

42.4

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
East Leyden High School Franklin Park, IL 7.5
Kenwood Academy High School Chicago, IL 7.5
Oak Forest High School Oak Forest, IL 7.5
Plainfield East High School Plainfield, IL 7.5
Addison Trail High School Addison, IL 7.6
Amundsen High School Chicago, IL 7.4

Frequently Asked Questions

Common questions about Thornwood High School

What grades does Thornwood High School serve?

Thornwood High School serves students in grades 9th through 12th.

How many students attend Thornwood High School?

Thornwood High School has an enrollment of approximately 1,868 students.

What is the student-teacher ratio at Thornwood High School?

The student-teacher ratio at Thornwood High School is 13.2:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Thornwood High School rank in IL?

Thornwood High School ranks #901 of 3,813 schools in IL.

What is Thornwood High School's MySchoolScout rating?

Thornwood High School has a current MySchoolScout rating of 7.5 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

What are the test scores at Thornwood High School?

Based on loaded state assessment records, Thornwood High School has 14% math proficiency (multi-year average, 2009-2021) and 19% reading/ELA proficiency (multi-year average, 2009-2022).

Is Thornwood High School a charter school?

No, Thornwood High School is not a charter school. It is a traditional public school operated by the local school district.

Is Thornwood High School a Title I school?

No, Thornwood High School is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Thornwood High School?

72.1% of students at Thornwood High School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.

11 schools nearby View map →

Neighborhood Context

Walk Score
39 Car-Dependent
Transit Score
27 Some Transit
Bike Score
36 Somewhat Bikeable

Powered by Walk Score

Quick Facts NCES CCD (SY 2022-23)

Grades
9th – 12th
Enrollment
1,868
Student-Teacher Ratio
13.2:1
Teachers (FTE)
141
Free/Reduced Lunch
72.1%
Type
regular
Setting
Large Suburb
County
Cook County
Chronic Absenteeism (SY 2022-23)
50.2%

District

Thornton Twp HSD 205
District Enrollment
4,491
Schools in District
5
Per-Pupil Spending
$28,504
District Rank
#1 of 3

How we rate schools

A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.

See how we rate

Related reading

Get school insights in your inbox

New rankings, best-schools lists, and parent guides — delivered free. No spam, unsubscribe anytime.

We respect your privacy. Unsubscribe at any time.