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What do students at Mariner Middle School actually talk about outside of class?
Community prompt from u/allk12. Replies below.
Enrollment
552
Middle
DISTRICT 477 · STATE 655
SCHOOL COMMUNITY·CAPE HENLOPEN SCHOOL DISTRICT·NCES 100017000033
Mariner Middle School
16391 Harbeson Rd, Milton, DE 19968 · (302) 685-8516 · Sussex County
GRADES 06–08MIDDLE41-RURALREGULAR SCHOOL552 STUDENTS
A-
allk12 Grade
Scored higher than 78% of Delaware public middle schools
- A-Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- ·Beats expectations Not available for this school, so the grade uses the other parts.
- ·Three-year trend Not available for this school, so the grade uses the other parts.
Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Delaware public middle schools
Student : Teacher
11.7:1
47 FTE teachers
DISTRICT 13.0:1 · STATE 16.4:1
Free / Reduced Lunch
,
Title I proxy
Community
6
0 members
Enrollment and student:teacher ratio compared against other middle schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Grade 6 | 186 | 34% |
| Grade 7 | 191 | 35% |
| Grade 8 | 175 | 32% |
Student demographics
61%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 54% · STATE 71% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
School pathway
Students here typically continue to
Mariner Middle School→Cape Henlopen High School
Based on grade levels within Cape Henlopen School District. Attendance zones can vary; confirm enrollment with the district.
Test scores
DeSSA + SBAC 2024-25 . % ProficientEnglish Language Arts
41.2%
DE avg 41.4% . -2.4pp since 2023
Math
40.0%
DE avg 34.0% . +4.3pp since 2023
What this means: On the DeSSA + SBAC, Delaware's statewide test, about 41 of every 100 students at this school read and write at grade level and about 40 of 100 do math at grade level. Across all Delaware schools, those numbers are about 41 and 34. Reading and writing scores are down about 2 points since 2023, while math scores are up about 4 points.
DeSSA + SBAC results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 41.2% | 40.0% |
| 2023-24 | 43.6% | 35.7% |
% Proficient, all students and all tested grades.
Source: DeSSA + SBAC. All students, all grades. See all years and grades →
Where Mariner Middle School ranks
Among middle schools| Measure | This school | In Delaware | In Sussex County |
|---|---|---|---|
| Math proficiency ranked highest first | 40.0% | #6 of 38 no change | #4 of 10 no change |
| Reading proficiency ranked highest first | 41.2% | #13 of 38 ▼ 5 | #4 of 10 no change |
| Enrollment ranked largest first | 552 | #29 of 40 | #7 of 11 |
| Students per teacher ranked fewest first | 11.7:1 | #4 of 39 | #2 of 11 |
| Diversity index ranked most diverse first | 61.0% | #33 of 39 | #7 of 11 |
| Enrollment change since 2017-18 ranked steepest decline first | -8.0% | #15 of 23 | N/A |
Ranked against other public middle schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
552
-72 (-12%) vs 2020
+34% since 1990-91, when it was 412
Student : Teacher
11.7:1
was 13.6:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 552 | 47 | 11.7:1 | N/A |
| 2023-24 | 682 | 49 | 13.9:1 | N/A |
| 2022-23 | 664 | 47 | 14.1:1 | N/A |
| 2020-21 | 624 | 46 | 13.6:1 | N/A |
| 2017-18 | 600 | 42 | 14.3:1 | N/A |
| 2015-16 | 581 | 39 | 14.9:1 | 35% (203) |
| 2010-11 | 478 | 33 | 14.5:1 | 55% (261) |
| 2000-01 | 476 | 35 | 13.6:1 | 43% (207) |
| 1990-91 | 412 | 32 | 12.9:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Mariner Middle School.
Since 2017-18: students down 8% (600 to 552); teachers up 12% (42 to 47).
About Mariner Middle School
Students in Milton, Delaware, attend Mariner Middle School, a low-enrollment middle school. The latest federal count shows 552 students in grades 6 through 8.
Cape Henlopen School District oversees Mariner Middle School and 9 other schools, with 6,654 students in total.
Mariner Middle School is 55% White by enrollment. The next largest groups are 27% Hispanic, 11% Black, and 6% multiracial. The school's White share is 19 points below the 74% share among Sussex County residents. The school's diversity index is 61%, meaning two students picked at random have a 61% chance of belonging to different racial or ethnic groups.
Federal data list 47 full-time-equivalent teachers at Mariner Middle School in 2024-25, for a ratio of 11.7:1. That is lower than the 16.4:1 average for middle schools in Delaware.
The allk12 Grade for Mariner Middle School is A-. Compared with Delaware public middle schools, the school scored higher than 78% on a mix of test scores, poverty-adjusted results, and recent trend.
Census Bureau estimates for Sussex County show that the median household income is $81,497, roughly 33% of adults have a four-year degree or more, and the share of residents below the poverty line is 8%. There are 55 public schools in Sussex County, enrolling about 32,366 students in all.
Milton Elementary School is the public school closest to Mariner Middle School, about 0.5 miles away. The count of other public schools within five miles is 3.
The federal government classifies Mariner Middle School's location as Rural: Fringe.
Federal data show a 12% enrollment decrease, from 624 in 2020-21 to 552 in 2024-25. The student-to-teacher ratio fell from 13.6:1 in 2020-21 to 11.7:1 in 2024-25.
Community posts for Mariner Middle School can cover enrollment questions, class placement, and PTA news. Alumni can share how the school prepared them.
Sussex County at a glance
View full county profilePopulation
255,626
Census ACS
Median income
$81,497
Household, ACS
Bachelor's+
33%
Adults 25+
Poverty rate
8%
Below federal line
Schools in county
55
32,366 students
Quick facts
Related schools
Other schools in Cape Henlopen School District
- Cape Henlopen High SchoolHigh · 1,889 students
- Love Creek Elementary SchoolElementary · 631 students
- Lewes Elementary SchoolElementary · 620 students
- Milton Elementary SchoolElementary · 582 students
- Rehoboth Elementary SchoolElementary · 557 students
- H. O. Brittingham Elementary SchoolElementary · 506 students
Other schools in Milton
- Milton Elementary SchoolElementary · 582 students
- H. O. Brittingham Elementary SchoolElementary · 506 students
Other Mariner Middle schools
2 other US public schools in 3 states are named Mariner Middle. Mariner Middle School is the 3rd largest of the 3.
- Mariner Middle SchoolWHITE BEAR LAKE, MN · 881 students
- MARINER MIDDLE SCHOOLCAPE CORAL, FL · 691 students
Nearby schools
- Milton Elementary School0.5 mi · 582
- H. O. Brittingham Elementary School1.2 mi · 506
- Sussex Consortium4.5 mi · 439
- Sussex Academy5.5 mi · 1,182
- North Georgetown Elementary School6.2 mi · 754
- Georgetown Elementary School6.9 mi · 825
Frequently asked questions
About Mariner Middle SchoolHow many students attend Mariner Middle School?
Mariner Middle School enrolls approximately 552 students in grades 06-08.
What grades does Mariner Middle School serve?
Mariner Middle School serves grades 06-08.
What is the student-teacher ratio at Mariner Middle School?
The student-to-teacher ratio at Mariner Middle School is approximately 11.7:1 (47 FTE teachers).
How diverse is Mariner Middle School?
Mariner Middle School reports a student body of 55% White, 27% Hispanic, 11% Black, 1% Asian, 6% Two or more.
Is Mariner Middle School public or private?
Mariner Middle School is a public K-12 school, overseen by Cape Henlopen School District.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.