Millsboro Middle School

Millsboro Middle School, a mid-sized junior high in Millsboro, Delaware, run under Indian River School District, teaches 726 students, covering grades 6 through 8.

Indian River School District comprises 15 schools with combined enrollment of 10,753 students; Millsboro Middle School is among them.

On demographics, Millsboro Middle School reports that 47% of students identify as White, with the remaining enrollment distributed across several groups. Beyond that, the school lists 29% Hispanic, 15% Black, 8% multiracial. That is noticeably less White than the county at large, where the share is closer to 74%.

On the resource side, The school employs 53 full-time-equivalent teachers, for a student-teacher ratio near 13.7:1. That figure is tighter than the state norm's 16.4:1 average.

In the area at large, ACS estimates for Sussex County put the typical household earns roughly $81,497 per year, 33% of adults hold a bachelor's degree or higher, and the poverty rate sits near 8%. Millsboro Middle School is one of 55 public schools in Sussex County (combined enrollment of about 32,366 students).

Nearest neighbor: East Millsboro Elementary School, around 0.6 miles off. Within five miles, there are 5 other public schools.

Millsboro Middle School operates from a small-town location.

Trend over the last 7 years. Looking back 7 years, enrollment at Millsboro Middle School has showed little movement, going from 728 students in 2018 to 726 in 2025. The Hispanic share of enrollment edged up from 19% to 29% over that span. Class-load math has tightened: from 16.6:1 in 2018 to 13.7:1 in 2025.

In the discussion threads here, the page collects discussion, questions, and updates around pickup logistics, teacher feedback, and after-school programs. Members of the school community can share what they know.