Thornwood High School

Thornwood High School serves 1,868 students in grades 9-12 in South Holland, Illinois, operating with a student-teacher ratio of 13.2:1 and 141 full-time equivalent teachers. As a regular public high school in Cook County, Thornwood faces academic challenges with room for significant growth, ranking in the 15th percentile among Illinois high schools at #3263 out of 3819 schools statewide. The school's current English Language Arts performance shows 8% of students testing proficient or above across grade levels, indicating opportunities for focused academic improvement and student support initiatives.

With nearly 1,900 students, Thornwood represents one of the larger high schools in the region, providing a substantial educational community for families in the area. The school draws from a diverse suburban community where the median household income reaches $80,893 and median home values average $180,300. About 28% of local residents hold bachelor's degrees or higher, while the poverty rate stands at 13.8% among the ZIP code's 21,695 residents.

Thornwood High School sits in South Holland's large suburban setting, serving families throughout this established Cook County community that offers a mix of residential neighborhoods and suburban amenities.

While current test scores at Thornwood 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.