East Millsboro Elementary School

Elementary school·Grades K-5 Millsboro, Delaware·19966
Score
27.4/100
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#68
Among 93 Delaware elementary schools
#6
In Indian River School District
#2
In Millsboro
Top 74%
In Delaware

Score 27.4/100: better than 27% of Delaware elementary schools on 2025-26 state tests. Schools are only compared with others of the same type in the same state. How we score schools

Performance (state tests, 2025-26)

% proficient on state tests in Delaware, all students. Colored bars are green when the school is at or above the average for similar Delaware schools.

English language arts
31%
Similar Delaware schools ≈ 43%, better than 24% of them
417 students tested
Math
32%
Similar Delaware schools ≈ 40%, better than 32% of them
415 students tested
Science
24%
Similar Delaware schools ≈ 32%, better than 36% of them
124 students tested
All Delaware schools (ELA / math)
42% / 33%
State average across every school type, 2025-26
All 13 published results by grade and test

As published by Delaware Department of Education. "Hidden" means the state didn't publish the result to protect student privacy.

SubjectGradeTestResultStudents tested
English language artsGrade 3Smarter Balanced Summative Assessment27.8126
English language artsGrade 4Smarter Balanced Summative Assessment26.4167
English language artsGrade 5Smarter Balanced Summative Assessment39.5124
English language artsAll gradesSmarter Balanced Summative Assessment30.7417
MathGrade 3Smarter Balanced Summative Assessment30.4125
MathGrade 4Smarter Balanced Summative Assessment30.1166
MathGrade 5Smarter Balanced Summative Assessment34.7124
MathAll gradesSmarter Balanced Summative Assessment31.6415
ScienceGrade 5Delaware System of Student Assessment (DeSSA)24.2124
ScienceAll gradesDelaware System of Student Assessment (DeSSA)24.2124
Social studiesGrade 4Delaware System of Student Assessment (DeSSA)20.4162
Social studiesGrade 5Delaware System of Student Assessment (DeSSA)64.2123
Social studiesAll gradesDelaware System of Student Assessment (DeSSA)39.3285

School profile

Grades
K-5
Students
875
Type
Elementary school
Charter school
No
Program
Regular

Students

Enrollment
875
Typical elementary school: 450
Free or reduced-price lunch
—
Not reported to the federal data

District and location

City
Sussex County

Contact

Address
29346 Iron Branch Road
Millsboro, DE 19966

"Typical" is the middle (median) elementary school in Delaware. Higher or lower is not in itself better or worse. Address, phone and website are as the state reported them to the U.S. Department of Education for 2024-25, so check with the school before visiting. School details: U.S. Department of Education, Common Core of Data (enrollment 2023-24).

Nearby elementary schools

Straight-line distance. Check the district's attendance zones: living close to a school doesn't guarantee a place.

Location

OpenStreetMap · Google Maps

East Millsboro Elementary School at a glance

East Millsboro Elementary School is a public elementary school in Millsboro, Delaware, serving grades K-5. It is part of Indian River School District. It has about 875 students (a typical Delaware elementary school has 450).

In 2025-26 state tests, 31% in English language arts (similar schools: 43%) and 32% in math (similar schools: 40%) reached the state standard (% proficient). On our score, which compares it only with other Delaware elementary schools, it scores 27.4 out of 100: better than 27% of them, ranking #68 of 93. Its English language arts result was broadly unchanged from the year before. This overview is generated automatically from published state and federal data; figures are rounded, and you can check the originals via the official sources above.

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Page updated 2026-10-12.