Very Good
#851 of 3,813 schools in IL
Top 22% in state
Thornridge High School
High School · Thornton Twp HSD 205
15000 Cottage Grove Ave, Dolton, IL 60419
Enrollment
978
Student-Teacher
15.5:1
Score
7.4
Grades
9th – 12th
Enrollment
978
Student-Teacher
15.5:1
Score
7.4
Grades
9th – 12th
Updated
2022-23
Updated 2022-23
How this school compares
In Dolton
#6 of 9
public schools
Illinois high schools
#149 of 703
In district
#3 of 3
Thornton Twp HSD 205
Academic growth
9.5 / 10
Exceptional
About Thornridge High School
Thornridge High School serves 978 students in grades 9-12 in Dolton, Illinois, with a student-teacher ratio of 15.5:1 across 63 full-time equivalent teachers. The school is currently working through significant academic challenges, with room for substantial growth in student achievement. Reading and language arts proficiency stands at 6% across grade levels, indicating the school is focusing heavily on foundational skill development.
Located at 15000 Cottage Grove Ave, Thornridge High School serves a community where the median household income is $54,748 and about 23% of residents hold bachelor's degrees or higher. The surrounding neighborhood has a poverty rate of 20.2%, reflecting some of the socioeconomic factors that can impact educational outcomes. With median home values around $128,800, the area represents an affordable community within Cook County.
The school's MySchoolScout rating of 2.7 out of 10 places it in the 4th percentile statewide, ranking #3686 out of 3819 Illinois high schools. While these metrics indicate significant challenges, they also highlight the importance of continued investment in educational resources and support systems for students. Thornridge High School operates in a large suburban setting, serving families in this established Cook County community south of Chicago.
What Parents Should Know
While current test scores at Thornridge High School are below average, the school shows strong growth metrics — meaning students are making above-average progress year over year. This upward trajectory can be a positive indicator for families who value a school's ability to help students improve, even if absolute scores haven't caught up yet.
Score Breakdown
Full Profile · 4/4 metricsView breakdown
View breakdown
View breakdown
View breakdown
Thornridge High School — Students at Thornridge High School score 7% proficient, which is below what's typical for similar communities (expected: 12%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
80%
Students qualifying for federal meal assistance
Test Scores IL EDFACTS (2021-22)
Based on 5 test records from IL state assessments. About our data
Proficiency Trend
→ StableAverage proficiency (% at or above grade level) across Math & ELA over time.
* 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 Thornridge High School Compares
See how Thornridge High School performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Programs & Offerings
Data as of 2020-21 · Source: CRDC via Urban Institute · Learn more
Performance Trends
Math proficiency has improved from 4% (2019) to 7.5% (2021). Reading/ELA proficiency has remained stable from 7% (2019) to 6% (2022).
Location
15000 Cottage Grove Ave, Dolton, IL 60419
Nearby Alternatives
Families considering Thornridge High School may also want to explore other high schools in the area. Lincoln Elementary School (rated 8.6/10, 1.3 miles away), which scores notably higher. Another option is Roosevelt Junior High School (rated 8.1/10, 1.5 miles away), which scores slightly higher. Additionally, Franklin Elementary School (rated 7.9/10, 0.6 miles away), which scores slightly higher. For more schools in Dolton, see our Dolton schools guide .
Nearby Schools
20 within 1.6 mi| School | Distance | Rating |
|---|---|---|
| Franklin Elementary School Dolton | 0.6 mi | 7.9 |
| Madison School South Holland | 0.8 mi | 6.5 |
| Berger-Vandenberg Elem School Dolton | 0.7 mi | 5.0 |
| Diekman Elem School Dolton | 0.8 mi | 6.0 |
| Eisenhower School South Holland | 1.2 mi | 7.4 |
| Lincoln Elementary School Dolton | 1.3 mi | 8.6 |
| Lincoln Junior High School Dolton | 1.3 mi | 7.5 |
| CALVIN CHRISTIAN SCHOOL South Holland | 1.3 mi | 5.5 |
| Early Childhood Cntr Dolton | 1.3 mi | 6.1 |
| NEW LIFE CELEBRATION CHRISTIAN ACADEMY Dolton | 1.4 mi | 5.1 |
| UNITY CHRISTIAN ACADEMY South Holland | 1.6 mi | 7.2 |
| LAREN MONTESSORI SCHOOL South Holland | 1.7 mi | — |
| STANDBERRY CHRISTIAN ACADEMY Harvey | 1.3 mi | — |
| Roosevelt Elem School Dolton | 1.5 mi | 7.4 |
| Roosevelt Junior High School Dolton | 1.5 mi | 8.1 |
| New Beginnings Learning Academy South Holland | 1.6 mi | 7.0 |
| CALVARY ACADEMY South Holland | 1.8 mi | 5.4 |
| Coolidge Middle School Phoenix | 1.7 mi | 7.1 |
| ZION BUDS OF PROMISE CHRISTIAN ACADEMY South Holland | 1.6 mi | — |
| Brooks Middle School Harvey | 1.6 mi | 4.4 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 60419 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$58,706
Median Home Value
$140,500
Median Rent
$1,399/mo
Population
20,979
College Educated
22.7%
Homeownership
72%
Avg Commute
32.3 min
Poverty Rate
20.4%
Median Age
40
Community Profile
The community surrounding Thornridge High School has a median household income of $58,706. It is a community where 23% of adults hold a bachelor's degree or higher. The median home value in the area is $140,500, with a median rent of $1,399/month. The area has a poverty rate of 20.4%, indicating some economic challenges in the community. The average commute for residents is 32 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Highland High School Highland, IL | 7.4 |
| Marengo High School Marengo, IL | 7.4 |
| Prosser Career Academy HS Chicago, IL | 7.4 |
| South Shore Intl Col Prep HS Chicago, IL | 7.4 |
| Antioch Comm High School Antioch, IL | 7.5 |
| Geneseo High School Geneseo, IL | 7.5 |
Frequently Asked Questions
Common questions about Thornridge High School
What grades does Thornridge High School serve?
Thornridge High School serves students in grades 9th through 12th.
How many students attend Thornridge High School?
Thornridge High School has an enrollment of approximately 978 students.
What is the student-teacher ratio at Thornridge High School?
The student-teacher ratio at Thornridge High School is 15.5:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Thornridge High School rank in IL?
Thornridge High School is ranked #851 out of 3,813 schools in IL.
What is Thornridge High School's MySchoolScout rating?
Thornridge High School has a composite rating of 7.4 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at Thornridge High School?
Based on the most recent state assessment data, Thornridge High School has 5.8% math proficiency and 6.8% reading/ELA proficiency.
Is Thornridge High School a charter school?
No, Thornridge High School is not a charter school. It is a traditional public school operated by the local school district.
Is Thornridge High School a Title I school?
No, Thornridge High School is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Thornridge High School?
80.0% of students at Thornridge 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.
Neighborhood Context
- Walk Score
- 70 Very Walkable
- Transit Score
- 35 Some Transit
- Bike Score
- 46 Somewhat Bikeable
- County Safety
- Low (42/100K)
Powered by 
FBI UCR 2024. County-level only. Data >1 year old.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 9th – 12th
- Enrollment
- 978
- Student-Teacher Ratio
- 15.5:1
- Teachers (FTE)
- 63
- Free/Reduced Lunch
- 80.0%
- Type
- regular
- Setting
- Large Suburb
- County
- Cook County
- Phone
- (708) 271-4401
- Data Year
- 2023–2024
Resources & Links
District
Thornton Twp HSD 205- District Enrollment
- 4,491
- Schools in District
- 5
- Per-Pupil Spending
- $28,504
- District Rank
- #3 of 3
Other Schools in This District
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
Read our full methodologyRelated 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.