Chelsea High

Public high school, 9 to ungraded · Chelsea, Massachusetts

Chelsea High in Chelsea, Massachusetts enrolled 1,649 students in 2024-25 with 125.7 full-time teachers, 13.1 students per teacher against the Massachusetts high-school median of 11.2. It ran a schoolwide Title I program in 2021-22; every student eats free under the Community Eligibility Provision (2024-25). On the state tests, 30% of its students tested were proficient in reading in 2021-22 and 20% proficient in math in 2022-23 (Massachusetts: 43.7% and 42%). Its four-year graduation rate for the class of 2023 was 76% (Massachusetts: 89.2%).

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

Enrollment rose 2% from 2022-23 to 2024-25; full-time teachers rose 15%

1,611 students in 2022-23, 1,680 students in 2023-24, 1,649 students in 2024-25. Full-time teachers went from 109.5 to 125.7.

Students enrolled at Chelsea High by school year2022-23: 1,611, 2023-24: 1,680, 2024-25: 1,64905001k1.5k2k2022-231,6112023-241,6802024-251,649
Students enrolled at Chelsea High by school year2022-23: 1,611, 2023-24: 1,680, 2024-25: 1,64905001k1.5k2k2022-231,6112023-241,6802024-251,649
Students enrolled at Chelsea High by school year2022-23: 1,611, 2023-24: 1,680, 2024-25: 1,64905001k1.5k2k2022-231,6112023-241,6802024-251,649
Students enrolled at Chelsea High by school year2022-23: 1,611, 2023-24: 1,680, 2024-25: 1,64905001k1.5k2k2022-231,6112023-241,6802024-251,649
The numbers as a table
School yearStudentsTeachers (FTE)Per teacher
2022-231,611109.514.7
2023-241,680116.114.5
2024-251,649125.713.1

13.1 students per teacher, a higher ratio than 79 of every 100 Massachusetts high schools

Among the 373 Massachusetts high schools that reported teachers for 2024-25 the median is 11.2; 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, Massachusetts high schools, 2024-25240 values from 3.0 to 66.5; Chelsea High 13.1; state median 11.2.1 more above 30.0 →0102030students per full-time teacherChelsea High 13.1state median 11.2U.S. 14.5
Students per teacher, Massachusetts high schools, 2024-25240 values from 3.0 to 66.5; Chelsea High 13.1; state median 11.2.1 more above 30.0 →0102030students per full-time teacherChelsea High 13.1state median 11.2U.S. 14.5
Students per teacher, Massachusetts high schools, 2024-25240 values from 3.0 to 66.5; Chelsea High 13.1; state median 11.2.1 more above 30.0 →0102030students per full-time teacherChelsea High 13.1state median 11.2U.S. 14.5
Students per teacher, Massachusetts high schools, 2024-25240 values from 3.0 to 66.5; Chelsea High 13.1; state median 11.2.1 more above 30.0 →0102030students per full-time teacherChelsea High 13.1state median 11.2U.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).

11 AP courses and one counselor per 150 students in 2021-22

In the 2021-22 civil rights collection Chelsea High enrolled 1,496 students and had 10.0 counselors (full-time equivalent); it reported 85 out-of-school suspensions that year.

  • Advanced Placement courses11
  • Gifted and talented programNo
  • Counselors (FTE)10.0, one per 150 of the 1,496 students enrolled in 2021-22
  • Out-of-school suspensions85
  • Chronically absent46.9% (2022-23)

Who attends

88.7% of students were Hispanic, 5.1% White, 4.4% Black in 2024-25.

  1. Hispanic88.7%
  2. White5.1%
  3. Black4.4%
  4. Asian0.9%
  5. Two or more races0.9%
  6. American Indian0.1%

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 Chelsea High scored proficient or above: 30% in reading in 2021-22 and 20% in math in 2022-23, against 43.7% in reading in 2021-22 and 42% in math in 2022-23 across Massachusetts. Each state writes its own test and sets its own proficiency bar, so compare these within Massachusetts, 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 districtMassachusetts
Reading and language arts, 2021-2230%19%43.7%
Math, 2022-2320%17% (2021-22)42%

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

76% of the 337 students in Chelsea High's class of 2023 graduated within four years, against 89.2% across Massachusetts. 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 districtMassachusetts
Four-year graduation rate76%64%89.2%
Students in the class33743472,602

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 Chelsea

4 public high schools in Chelsea report 2024-25 enrollment; Chelsea High is the largest.

SchoolStudentsPer teacherFree lunch
Chelsea High1,64913.1not reported
Phoenix Academy Charter Public High School Chelsea19819.9not reported
Chelsea Opportunity Academy13218.8not reported
Chelsea Virtual Learning Academy548.4not reported

All public schools in Chelsea →

Source: NCES Common Core of Data 2024-25.

What to look at next about Chelsea High

  1. Chelsea Opportunity AcademyThe nearest public high school, under 0.1 miles away: 132 students, 18.8 per teacher (2024-25).under 0.1 mi
  2. Phoenix Academy Charter Public High School ChelseaThe next nearest public high school, 0.6 miles away: 198 students, 19.9 per teacher (2024-25).0.6 mi
  3. Compare Chelsea High with Chelsea Opportunity AcademyStudents, teachers, meals, test results and who attends, side by side.
  4. How much Chelsea Public Schools spends per student$20,895 per student on current operations in fiscal year 2022-23 (U.S. $16,260), with its revenue sources and teacher pay.$20,895
  5. The largest public schools in MassachusettsChelsea High is the number 38 by size of 378 Massachusetts high schools open in 2024-25.#38 of 378
  6. Massachusetts schools by students per teacher13.1 students per teacher here against the Massachusetts median of 11.2 for high schools.13.1:1
  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 Chelsea High

  1. How many students attend Chelsea High?
    1,649 in the 2024-25 school year, according to the NCES Common Core of Data; 1,611 in 2022-23. It is a high school in Chelsea, MA.
  2. What is the student-teacher ratio at Chelsea High?
    13.1 students per full-time teacher (2024-25); the Massachusetts median for high schools is 11.2. A ratio counts every teacher, so it is not the size of a class.
  3. Is Chelsea High a Title I school?
    Chelsea High ran a schoolwide Title I program in 2021-22, the last year NCES published school Title I status.
  4. How do students at Chelsea High do on state tests?
    The students tested at Chelsea High scored proficient or above: 30% in reading in 2021-22 and 20% in math in 2022-23, against 43.7% in reading in 2021-22 and 42% in math in 2022-23 across Massachusetts. Massachusetts'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 Chelsea High?
    76% of the 337 students in Chelsea High's class of 2023 graduated within four years, against 89.2% across Massachusetts. 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 Chelsea High in?
    Chelsea Public Schools, NCES district ID 2503540. The first seven digits of the school's NCES ID 250354000482 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 .