Infinity Math Science & Tech HS

Located at 3120 S Kostner Ave, in Chicago, Illinois, Infinity Math Science & Tech HS is a compact high school that works with 427 students (grades 9 through 12), run under Chicago Public Schools Dist 299. Enrollment runs roughly 49% leaner than the state mean of about 834.

Chicago Public Schools Dist 299 comprises 622 schools with combined enrollment of 324,396 students; Infinity Math Science & Tech HS is among them.

On demographics, Infinity Math Science & Tech HS logs that nearly all students (94%) are Hispanic. Beyond that, the school reports 4% Black. The wider county runs roughly 27% Hispanic, putting the school's mix considerably more Hispanic than the area baseline.

In terms of school funding signals, Infinity Math Science & Tech HS records 31 full-time-equivalent teachers, putting the student-to-teacher ratio at about 13.7:1. The state averages about 13.8:1, putting this campus right in line with peers. About 92% of enrolled students meet the income threshold for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator. By comparison, Cook County runs at roughly 66%, so the school's eligibility rate is somewhat above the surrounding baseline.

On a residual basis (actual vs predicted given the student mix), Infinity Math Science & Tech HS performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 18.4%, the actual is 26.3%, a residual of +7.9 points.

In the surrounding community, community-level numbers for Cook County indicate median household earnings sit near $83,498, 43% of adults hold a bachelor's degree or higher, and roughly 10% of residents live below the federal poverty line. Infinity Math Science & Tech HS is one of 1406 public schools in Cook County (combined enrollment of about 697,934 students).

Nearest neighbor: World Language High School, around 0.0 miles off. Within five miles, there are 8 other public schools. On composite proficiency, Infinity Math Science & Tech HS comes 2nd of 8 in the immediate cluster, higher than the nearby-schools average of 17.8%.

The school occupies a downtown site.

Trend over the last 7 years. Looking back 7 years, enrollment at Infinity Math Science & Tech HS has showed little movement, going from 417 students in 2018 to 427 in 2025. Over the same period, the Hispanic share edged down from 98% to 94%. Class-load math has narrowed: from 15.1:1 in 2018 to 13.7:1 in 2025.

On this page, recent activity here tends to focus on sports schedules, lunch menu changes, and school spirit week. Posting is open to anyone connected to the school.