Jonas Clarke Middle

Jonas Clarke Middle is one of the average-sized middle schools in Lexington, Massachusetts, run under Lexington, with 796 students on its rolls from grades 6 through 8. Enrollment runs roughly 46% bigger than the state mean of about 547.

Lexington comprises 10 schools with combined enrollment of 6,748 students; Jonas Clarke Middle is among them.

Looking at the student body, Jonas Clarke Middle lists that 42% of students identify as Asian, with the remaining enrollment distributed across several groups. The remainder reads as 39% White, 8% multiracial, 5% Black, 5% Hispanic. By comparison, Middlesex County as a whole is about 14% Asian, so the school skews considerably more Asian than its surroundings.

Looking at school resources, The school employs 85 full-time-equivalent teachers, for a student-teacher ratio near 9.4:1. The state averages around 11.5:1, so this campus is tighter than the state norm typical.

In the surrounding community, ACS estimates for Middlesex County put median household earnings sit near $130,847, roughly 60% of adults have completed at least a four-year degree, and roughly 5% of residents live below the federal poverty line. Jonas Clarke Middle is one of 386 public schools in Middlesex County (combined enrollment of about 215,896 students).

The closest other public school is Bowman, roughly 0.7 miles away. Counting just inside five miles, 8 other public schools cluster around Jonas Clarke Middle.

Geographically, the school is in a suburban area.

Trend over the last 7 years. Over the past 7-year window, the student count fell 14%: 926 students in 2018 compared to 796 in 2025. White enrollment moved from 45% to 39% across the same window. The student-to-teacher ratio fell from 10.7:1 in 2018 to 9.4:1 today.

On allk12, recent activity here tends to focus on open house dates, ride-share offers, and field-trip permission slips. Contributors range from current parents to recent graduates and teachers.