Jack Harmon Elementary School

Jack Harmon Elementary School, a compact elementary campus in San Tan Valley, Arizona, part of J O Combs Unified School District (4445), caters to 382 students, covering grades pre-K through 6.

Across the 10 schools in J O Combs Unified School District (4445) (3,934 students total), Jack Harmon Elementary School accounts for its share of the district's footprint.

For racial and ethnic makeup, Jack Harmon Elementary School lists that the most-represented group is White (45%), with the rest of the student body spread across multiple groups; the rest looks like 40% Hispanic, 7% Black, 3% multiracial, 2% Native American. The wider county runs roughly 62% White, putting the school's mix visibly less White than the area baseline.

On the income-and-resources front, The school employs 21 full-time-equivalent teachers, for a student-teacher ratio near 18.2:1. The state averages around 17.0:1, so this campus is higher than the state norm typical.

In the broader community, community-level numbers for Pinal County indicate the typical household earns roughly $80,266 per year, roughly 23% of adults have completed at least a four-year degree, and roughly 8% of residents live below the federal poverty line. In all, Pinal County runs 155 public schools (combined enrollment of about 63,837 students), of which Jack Harmon Elementary School is one.

Ellsworth Elementary School is the nearest neighboring public school, about 0.6 miles from this campus. Within five miles, there are 8 other public schools.

Jack Harmon Elementary School operates from an outer-ring location.

Five-year trend. Over the past 7-year window, the student count fell 32%: 565 students in 2018 compared to 382 in 2025. White enrollment moved from 58% to 45% across the same window. The student-to-teacher ratio narrowed from 20.7:1 in 2018 to 18.2:1 today.

On allk12, posts here usually surface around school events, parent volunteer needs, and clubs. Parents, students, alumni, and staff are welcome to weigh in.