Millsboro Middle School

302 East State Street, Millsboro, DE 19966

BSchola Grade
Grades
6–8
Middle
Students
726
Enrolled 2024–25
Students per teacher
13.7 : 1
Full-time teachers
District
Indian River School District
Sussex County

Schola Grade B · Above average

Letter grade (A–F) · compared with 36 Delaware middle schools · How we grade
Test scores32% proficient in math & reading
60thpercentile
Equity27% of low-income students proficient
91stpercentile
Attendance32% chronically absent
16thpercentile
Class size13.7 students per teacher
69thpercentile

Percentiles compare this school with other Delaware middle schools; the line marks the middle. Data: test scores 2021–22, graduation and absenteeism 2022–23 (U.S. Department of Education, EDFacts); coursework 2023–24 (Civil Rights Data Collection); staffing 2024–25 (NCES).

About Millsboro Middle School

Millsboro Middle School is a public middle school in Millsboro, Delaware, serving grades 6–8. It is part of Indian River School District. The school is located in a town in Sussex County.

In the 2024–25 school year, 726 students were enrolled, with about 13.7 students for every full-time teacher. That ratio is smaller than the typical Delaware middle school (14.9 students per teacher). Its Schola Grade is B (above average), compared with 36 Delaware middle schools.

Grades & enrollment

Students per grade, 2024–25Grades 6–8

Location & nearby schools

302 East State Street
Millsboro, DE 19966
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School details

Type
Public School · What this means
Level
Middle
Grades offered
6–8
Enrollment (2024–25)
726 students
Students per teacher
13.7 to 1
Charter school
No
Magnet school
No
Locale
Town — Distant
School district
Indian River School District
County
Sussex County
NCES school ID
100068000303

Schools near Millsboro Middle School

All 3 schools in Millsboro →

School data comes from the U.S. Department of Education: the National Center for Education Statistics (NCES) Common Core of Data and EDGE school locations (2024–25) and Private School Survey (2023–24), the Civil Rights Data Collection (2023–24), and EDFacts (test results 2021–22; graduation and chronic absenteeism 2022–23), plus other public sources. Please contact the school to confirm enrollment, programs, and other details. How we source data.