Gordon School

Gordon School, a tight-knit elementary school in Posen, Illinois, run under Posen-Robbins ESD 143-5, teaches 312 students, covering grades K through 3.

Within Posen-Robbins ESD 143-5, which oversees 5 schools and 1,286 students, Gordon School is one campus in the system.

On demographics, Gordon School shows that the largest single group is Hispanic, at 78% of enrollment. The remainder reads as 18% Black, 3% White. That is meaningfully more Hispanic than the county at large, where the share is closer to 27%.

In terms of school funding signals, Gordon School reports 23 full-time-equivalent teachers, putting the student-to-teacher ratio at about 13.6:1. The state averages about 13.9:1, putting this campus right in line with peers. Roughly 88% of students at Gordon School qualify for free or reduced-price lunch, a commonly cited indicator of low-income enrollment. That share is north of Cook County's rate of about 66%.

After controlling for student poverty, Gordon School is in the OUTPERFORMING tier of the BeatsExpectations model, which fits a per-state line through proficiency and FRL share. Schools with this campus's poverty mix typically land near 20.4%; this one delivers 35.6%, a residual of +15.2 points.

In the broader community, Cook County reports that median household earnings sit near $83,498, about 43% of the adult population holds a bachelor's degree or above, and the poverty rate sits near 10%. Across Cook County's 1406 public schools (combined enrollment of about 697,934 students), Gordon School is one campus in the mix.

The closest other public school is Posen Elem School, roughly 0.5 miles away. Within five miles, there are 8 other public schools. Among the 6 schools in that immediate cluster with test data (this one included), Gordon School ranks 3rd on composite proficiency, higher than the local average of 34.7%.

Gordon School operates from a bedroom-community location.

Looking at the recent track record. Gordon School's enrollment has declined 11% since 2018, when it stood at 349 (now 312). Class-load math has rose: from 12.5:1 in 2018 to 13.6:1 in 2025.

On allk12, 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.