Central Middle School

As a substantial middle school in Tinley Park, Illinois, Central Middle School caters to 725 students from grades 6 through 8, part of CCSD 146. Enrollment runs roughly 57% above the state mean of about 462.

Within CCSD 146, which oversees 5 schools and 2,325 students, Central Middle School is one campus in the system.

On demographics, Central Middle School records that White students make up the majority at 56%. Other groups include 21% Hispanic, 11% multiracial, 10% Black. That is meaningfully more White than the county at large, where the share is closer to 44%.

Looking at the economic backdrop, Central Middle School shows 61 full-time-equivalent teachers, putting the student-to-teacher ratio at about 11.9:1. Statewide, the average ratio sits near 13.0:1, putting Central Middle School tighter than the state norm the norm. About 39% of enrolled students meet the income threshold for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator. Set against Cook County (around 66%), the school's rate is noticeably below typical.

With demographic context factored in, Central Middle School tracks the demographic baseline. The model predicts 48.7% given the school's FRL share; actual proficiency is 46.4%.

In the surrounding community, Cook County reports that median household income runs about $83,498, 43% of adults hold a bachelor's degree or higher, and roughly 10% of residents live below the federal poverty line. In all, Cook County runs 1406 public schools (combined enrollment of about 697,934 students), of which Central Middle School is one.

Nearest neighbor: Memorial Elem School, around 0.3 miles off. Within five miles, there are 8 other public schools. On composite proficiency, Central Middle School comes 3rd of 4 in the immediate cluster, behind the nearby-schools average of 46.7%.

Central Middle School operates from a suburban location.

Trend over the last 7 years. Looking back 7 years, enrollment at Central Middle School has ticked down 5%, going from 762 students in 2018 to 725 in 2025. White enrollment moved from 72% to 56% across the same window. Class-load math has fell: from 13.4:1 in 2018 to 11.9:1 in 2025.

Within the allk12 community for this school, the page collects discussion, questions, and updates around pickup logistics, teacher feedback, and after-school programs. Parents, students, alumni, and staff are welcome to weigh in.