Greenfield Junior High School

Set in GILBERT, Arizona, Greenfield Junior High School is a sizable middle-grades school, part of Gilbert Unified District (4239). It works with 1,160 students across grades 6 through 8. That puts it 135% above the typical public school in Arizona, which averages around 494 students.

Gilbert Unified District (4239) runs 38 schools in total, collectively educating 31,560 students. Greenfield Junior High School is one of those campuses.

On demographics, Greenfield Junior High School records that White students make up the majority at 65%. Other groups include 23% Hispanic, 6% multiracial, 2% Black.

On the resource side, Greenfield Junior High School lists 56 full-time-equivalent teachers, putting the student-to-teacher ratio at about 20.7:1. That figure is higher than the state norm's 17.8:1 average.

In the broader community, ACS estimates for Maricopa County put median household earnings sit near $89,300, about 37% of the adult population holds a bachelor's degree or above, and census figures put the poverty rate at about 8%. In all, Maricopa County runs 1352 public schools (combined enrollment of about 725,139 students), of which Greenfield Junior High School is one.

The closest other public school is Greenfield Elementary School, roughly 0.2 miles away. Within five miles, there are 8 other public schools.

The campus sits in a downtown setting.

Over the past 7-year window. Greenfield Junior High School's enrollment has increased 29% since 2018, when it stood at 900 (now 1,160). The White share of enrollment decreased from 73% to 65% over that span. Class-load math has widened: from 17.9:1 in 2018 to 20.7:1 in 2025.

On allk12, the page collects discussion, questions, and updates around sports schedules, lunch menu changes, and school spirit week. Anyone with firsthand experience at this school can post or comment.