Marine Science Magnet High School

Public high school, grades 9 to 12 · Groton, Connecticut

Marine Science Magnet High School in Groton, Connecticut enrolled 274 students in 2024-25 with 26.0 full-time teachers, 10.5 students per teacher against the Connecticut high-school median of 11.4. It was not a Title I school in 2021-22; it takes part in the National School Lunch Program (2024-25). On the state tests, 80-89% of its students tested were proficient in reading in 2021-22 and 50-59% proficient in math in 2022-23 (Connecticut: 50.5% and 41.2%). Its four-year graduation rate for the class of 2023 was 90% or more (Connecticut: 88.2%).

NCES Common Core of Data 2024-25 · Civil Rights Data Collection 2021-22 · Title I status CCD 2021-22 · method

Enrollment rose 1% from 2022-23 to 2024-25; full-time teachers rose 2%

271 students in 2022-23, 271 students in 2023-24, 274 students in 2024-25. Full-time teachers went from 25.4 to 26.0.

Students enrolled at Marine Science Magnet High School by school year2022-23: 271, 2023-24: 271, 2024-25: 27401002003002022-232712023-242712024-25274
Students enrolled at Marine Science Magnet High School by school year2022-23: 271, 2023-24: 271, 2024-25: 27401002003002022-232712023-242712024-25274
Students enrolled at Marine Science Magnet High School by school year2022-23: 271, 2023-24: 271, 2024-25: 27401002003002022-232712023-242712024-25274
Students enrolled at Marine Science Magnet High School by school year2022-23: 271, 2023-24: 271, 2024-25: 27401002003002022-232712023-242712024-25274
The numbers as a table
School yearStudentsTeachers (FTE)Per teacher
2022-2327125.410.6
2023-2427124.011.3
2024-2527426.010.5

10.5 students per teacher, a lower ratio than 74 of every 100 Connecticut high schools

Among the 197 Connecticut high schools that reported teachers for 2024-25 the median is 11.4; the national median for high schools is 14.5. A ratio counts every teacher, so it is not the size of a class.

Students per teacher, Connecticut high schools, 2024-25197 values from 3.4 to 23.0; This school 10.5; state median 11.4.2 more above 20.0 →05101520students per full-time teacherThis school 10.5state median 11.4U.S. 14.5
Students per teacher, Connecticut high schools, 2024-25197 values from 3.4 to 23.0; This school 10.5; state median 11.4.2 more above 20.0 →05101520students per full-time teacherThis school 10.5state median 11.4U.S. 14.5
Students per teacher, Connecticut high schools, 2024-25197 values from 3.4 to 23.0; This school 10.5; state median 11.4.2 more above 20.0 →05101520students per full-time teacherThis school 10.5state median 11.4U.S. 14.5
Students per teacher, Connecticut high schools, 2024-25197 values from 3.4 to 23.0; This school 10.5; state median 11.4.2 more above 20.0 →05101520students per full-time teacherThis school 10.5state median 11.4U.S. 14.5

Source: NCES Common Core of Data membership and staff files, 2022-23, 2023-24, 2024-25; the comparison counts schools with a 2024-25 teacher count and a ratio from 3 to 99 (lower values are reporting errors).

13 AP courses and one counselor per 135 students in 2021-22

In the 2021-22 civil rights collection Marine Science Magnet High School enrolled 270 students and had 2.0 counselors (full-time equivalent); it reported 9 out-of-school suspensions that year.

  • Advanced Placement courses13
  • Gifted and talented programNo
  • Counselors (FTE)2.0, one per 135 of the 270 students enrolled in 2021-22
  • Out-of-school suspensions9
  • Chronically absent25.8% (2022-23)

Who attends

61.3% of students were White, 19.2% Hispanic, 12.5% of two or more races in 2024-25.

  1. White61.3%
  2. Hispanic19.2%
  3. Two or more races12.5%
  4. Asian5.5%
  5. Black1.5%

Source: U.S. Department of Education, Civil Rights Data Collection 2021-22; chronic absenteeism from EDFacts 2022-23; every count and the counselor ratio are for that school year. Who attends: NCES Common Core of Data 2024-25, membership by race and ethnicity.

State test results, 2021-22 and 2022-23

The students tested at Marine Science Magnet High School scored proficient or above: 80-89% in reading in 2021-22 and 50-59% in math in 2022-23, against 50.5% in reading in 2021-22 and 41.2% in math in 2022-23 across Connecticut. Each state writes its own test and sets its own proficiency bar, so compare these within Connecticut, not across states. ED Data Express holds no district results after 2021-22, so the district column gives its 2021-22 figure.

Students proficient or above, 2021-22 and 2022-23
Subject and yearThis schoolIts districtConnecticut
Reading and language arts, 2021-2280‑89%48%50.5%
Math, 2022-2350‑59%35% (2021-22)41.2%

Source: U.S. Department of Education, EDFacts state assessment results 2021-22 and 2022-23, all students, from ED Data Express (2021-22 through the Data Rescue Project archive); for 2022-23 ED published math by school and reading only by state: ED shows school and district results as ranges (for example 20-24%) to protect small groups.

Graduation rate, class of 2023

90% or more of the 59 students in Marine Science Magnet High School's class of 2023 graduated within four years, against 88.2% across Connecticut. The four-year rate follows the students who started ninth grade in fall 2019, adjusted for those who moved in or out, and counts those who earned a regular diploma by 2023. Every state computes it the same way under federal law, though each sets its own diploma requirements.

Four-year adjusted-cohort graduation rate, class of 2023
This schoolIts districtConnecticut
Four-year graduation rate90% or more90‑94%88.2%
Students in the class5910740,732

Source: U.S. Department of Education, EDFacts four-year adjusted-cohort graduation rates 2022-23, all students, from ED Data Express: ED shows school and district rates as ranges (for example 90-94%) and leaves out small classes.

High schools in Groton

3 public high schools in Groton report 2024-25 enrollment; Marine Science Magnet High School is number 3 by size.

SchoolStudentsPer teacherFree lunch
Robert E. Fitch High School94211.248.0%
Ella T. Grasso Technical High School68411.741.8%
Marine Science Magnet High School27410.525.2%

All public schools in Groton →

Source: NCES Common Core of Data 2024-25.

What to look at next about Marine Science Magnet High School

  1. New London Visual and Performing Arts Magnet SchoolThe nearest public high school, 2.3 miles away: 268 students, 11.0 per teacher (2024-25).2.3 mi
  2. Ella T. Grasso Technical High SchoolThe next nearest public high school, 2.9 miles away: 684 students, 11.7 per teacher (2024-25).2.9 mi
  3. Compare Marine Science Magnet High School with New London Visual and Performing Arts Magnet SchoolStudents, teachers, meals, test results and who attends, side by side.
  4. How much Learn spends per studentIts schools, enrollment and finance figures.
  5. The largest public schools in ConnecticutMarine Science Magnet High School is the number 176 by size of 199 Connecticut high schools open in 2024-25.#176 of 199
  6. Connecticut schools by students per teacher10.5 students per teacher here against the Connecticut median of 11.4 for high schools.10.5:1
  7. Find the school district for an addressA home's district, not its city, decides which public schools it can enroll in.

Source: NCES Common Core of Data 2024-25 (locations, enrollment, teachers); NCES F-33 finance survey, fiscal year 2022-23. Distances are straight lines between the schools' NCES coordinates, not travel routes.

Questions about Marine Science Magnet High School

  1. How many students attend Marine Science Magnet High School?
    274 in the 2024-25 school year, according to the NCES Common Core of Data; 271 in 2022-23. It is a high school in Groton, CT.
  2. What is the student-teacher ratio at Marine Science Magnet High School?
    10.5 students per full-time teacher (2024-25); the Connecticut median for high schools is 11.4. A ratio counts every teacher, so it is not the size of a class.
  3. Is Marine Science Magnet High School a Title I school?
    Marine Science Magnet High School was not a Title I school in 2021-22, the last year NCES published school Title I status.
  4. How do students at Marine Science Magnet High School do on state tests?
    The students tested at Marine Science Magnet High School scored proficient or above: 80-89% in reading in 2021-22 and 50-59% in math in 2022-23, against 50.5% in reading in 2021-22 and 41.2% in math in 2022-23 across Connecticut. Connecticut's own test sets what proficient means, so results compare within the state, not across states. Source: U.S. Department of Education, EDFacts state assessment results, 2021-22 and 2022-23; ED publishes school results as ranges to protect small groups.
  5. What is the graduation rate at Marine Science Magnet High School?
    90% or more of the 59 students in Marine Science Magnet High School's class of 2023 graduated within four years, against 88.2% across Connecticut. The rate counts the students who started ninth grade in fall 2019, adjusted for those who moved in or out, and the share of them with a regular diploma by 2023. Source: U.S. Department of Education, EDFacts four-year adjusted-cohort graduation rates, 2022-23; ED publishes school rates as ranges to protect small groups.
  6. What district is Marine Science Magnet High School in?
    Learn, NCES district ID 0903450. The first seven digits of the school's NCES ID 090345001606 are the district's.

Reading these figures: how to choose a school district, what Title I means and what an absenteeism rate means. They are for information and are not a substitute for the school's or district's own records.

Sources

Every federal file behind this record
  • NCES Common Core of Data, 2024-25: directory, membership, staff and lunch files. nces.ed.gov
  • NCES Common Core of Data, 2021-22 school characteristics: Title I status. nces.ed.gov
  • Civil Rights Data Collection, 2021-22: AP courses, gifted programs, counselors, discipline. civilrightsdata.ed.gov
  • EDFacts, 2022-23: chronic absenteeism. ed.gov
  • EDFacts state assessment results, 2021-22 and 2022-23: reading and math proficiency for the school, its district and its state (ED Data Express). eddataexpress.ed.gov
  • EDFacts four-year adjusted-cohort graduation rates, 2022-23: the class of 2023 for the school, its district and its state (ED Data Express). eddataexpress.ed.gov
  • NCES F-33 School District Finance Survey, fiscal year 2022-23: district spending and revenue. nces.ed.gov
  • U.S. Census Bureau geocoder and TIGER school districts: the district boundary used by the district finder. census.gov

Source: NCES Common Core of Data Directory, membership, staff and lunch files · 2024-25

Source: Civil Rights Data Collection School-level files (AP, gifted, counselors, discipline) · 2021-22

District spending on the district page is from the NCES F-33 finance survey, fiscal year 2022-23.

Compiled from official source data by .