Mariner Middle School
Mariner Middle School serves 600 students in grades 5-8.
Mariner Middle School placed in the top 50% of all schools in Delaware for overall test scores (math proficiency is top 50%, and reading proficiency is top 30%) for the 2018-19 school year.
The percentage of students achieving proficiency in math is 43% (which is higher than the Delaware state average of 42%) for the 2018-19 school year. The percentage of students achieving proficiency in reading/language arts is 60% (which is higher than the Delaware state average of 53%) for the 2018-19 school year.
The student:teacher ratio of 14:1 is lower than the Delaware state level of 15:1.
Minority enrollment is 44% of the student body (majority Hispanic and Black), which is lower than the Delaware state average of 56% (majority Black).
Mariner Middle School's student population of 600 students has stayed relatively flat over five school years.
The teacher population of 42 teachers has stayed relatively flat over five school years.
Total Classroom Teachers
Students by Grade
View the Mariner Middle School yearly calendar below.
Mariner Middle School is ranked within the top 50% of all 204 schools in Delaware (based off of combined math and reading proficiency testing data) for the 2018-19 school year.
The diversity score of Mariner Middle School is 0.61, which is less than the diversity score at state average of 0.69. The school's diversity has stayed relatively flat over five school years.
Definition of Terms 2017-2018 School Year Data
State Level (DE)
Overall Testing Rank
#72 out of 204 schools
Math Test Scores (% Proficient)
Reading/Language Arts Test Scores (% Proficient)
Student : Teacher Ratio
Two or more races
All Ethnic Groups
Eligible for Free Lunch
Eligible for Reduced Lunch (12-13)
School Statewide Testing
School District Name
Source: 2017-2018 (latest school year available) NCES, DE Dept. of Education
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