John Jay Elem School

Set in Mount Prospect, Illinois, John Jay Elem School is a moderately sized primary school, one of the schools within Comm Cons SD 59. It educates 389 students across grades K through 5.

Comm Cons SD 59 comprises 15 schools with combined enrollment of 5,869 students; John Jay Elem School is among them.

On the student-mix side, John Jay Elem School reports that 69% of the student body identifies as Hispanic; the rest breaks down as 13% White, 7% Asian, 6% Black, 3% multiracial. That is noticeably more Hispanic than the county at large, where the share is closer to 27%.

On the income-and-resources front, John Jay Elem School reports 34 full-time-equivalent teachers, putting the student-to-teacher ratio at about 11.6:1. That figure is tighter than the state norm's 13.9:1 average. An estimated 79% of students are eligible 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.

Adjusting for the school's free-and-reduced-lunch share, John Jay Elem School performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 25.8%, the actual is 28.3%, a residual of +2.5 points.

In the broader community, community-level numbers for Cook County indicate median household earnings sit near $83,498, roughly 43% of adults have completed at least a four-year degree, and census figures put the poverty rate at about 10%. John Jay Elem School is one of 1406 public schools in Cook County (combined enrollment of about 697,934 students).

The closest other public school is Robert Frost Elem School, roughly 0.8 miles away. Counting just inside five miles, 8 other public schools cluster around John Jay Elem School. On composite proficiency, John Jay Elem School comes 5th of 6 in the immediate cluster, beneath the nearby-schools average of 40.8%.

John Jay Elem School operates from a bedroom-community location.

Looking at the recent track record. Over the past 7-year window, the student count edged up 12%: 347 students in 2018 compared to 389 in 2025. The student-to-teacher ratio fell from 14.5:1 in 2018 to 11.6:1 today.

In the discussion threads here, posts here usually surface around pickup logistics, teacher feedback, and after-school programs. The community welcomes input from current and former families.