Average
#1202 of 1,791 schools in MA
Chelsea High
High School · Chelsea
299 Everett Avenue, Chelsea, MA 02150
Enrollment
1,680
Student-Teacher
14.5:1
Score
5.5
Grades
9th – 12th
Enrollment
1,680
Student-Teacher
14.5:1
Score
5.5
Grades
9th – 12th
Updated
2022-23
Updated 2022-23
How this school compares
In Chelsea
#5 of 12
public schools
Massachusetts high schools
#278 of 366
In district
#4 of 11
Chelsea
Academic growth
7.1 / 10
Strong
About Chelsea High
Chelsea High serves 1,680 students in grades 9-12 with a student-teacher ratio of 14.5:1 across 116 full-time equivalent teachers. Located at 299 Everett Avenue, this public high school serves a diverse community with significant room for academic growth, as evidenced by 30% of students demonstrating proficiency in ELA/Reading and 29% in Math. The school operates within a working-class community where the median household income is $70,968 and 21.4% of families face economic challenges.
With 22% of neighborhood residents holding bachelor's degrees or higher, Chelsea High plays a crucial role in expanding educational opportunities for its students. The school's current academic performance places it in the 17th percentile among Massachusetts high schools, indicating substantial potential for improvement and development. Despite facing academic challenges, Chelsea High maintains a manageable class size environment that could support more individualized attention for students.
The school serves families in an area where median home values reach $450,600, reflecting the complex economic dynamics of the region. Chelsea High sits in Suffolk County's large suburban setting, providing students with access to the greater Boston metropolitan area's resources and opportunities while serving as an integral part of Chelsea's educational landscape.
Score Breakdown
Full Profile · 4/4 metricsView breakdown
View breakdown
View breakdown
View breakdown
Chelsea High — Students at Chelsea High score 30% proficient, which is above what's typical for similar communities (expected: 14%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
0.3%
Students qualifying for federal meal assistance
Test Scores MA MCAS (2024-25)
Based on 22 test records from MA state assessments. About our data
Proficiency Trend
↓ DecliningAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 7.1/10.
How Chelsea High Compares
See how Chelsea High performs across key quality dimensions compared to state benchmarks.
Performance Trends
Math proficiency has remained stable from 28% (2019) to 29% (2022). Reading/ELA proficiency has remained stable from 30% (2019) to 30% (2022).
Location
299 Everett Avenue, Chelsea, MA 02150
Nearby Alternatives
Families considering Chelsea High may also want to explore other high schools in the area. Phoenix Academy Charter Public High School Chelsea (rated 9.5/10, 0.6 miles away), which scores notably higher. Another option is Everett High (rated 5.5/10, 1.0 miles away, in nearby Everett), with a very similar rating. Additionally, Chelsea Opportunity Academy (rated 5.3/10), with a very similar rating. For more schools in Chelsea, see our Chelsea schools guide .
Nearby Schools
20 within 1.1 mi| School | Distance | Rating |
|---|---|---|
| Chelsea Opportunity Academy Chelsea | 0.0 mi | 5.3 |
| Eugene Wright Science and Technology Academy Chelsea | 0.5 mi | 6.7 |
| Joseph A. Browne School Chelsea | 0.5 mi | 6.5 |
| Phoenix Academy Charter Public High School Chelsea Chelsea | 0.6 mi | 9.5 |
| Clark Avenue School Chelsea | 0.5 mi | 4.2 |
| George Keverian School Everett | 0.7 mi | 3.6 |
| Shurtleff Early Childhood Chelsea | 0.7 mi | 5.0 |
| Webster School Everett | 0.9 mi | 4.6 |
| SEAPORT ACADEMY Chelsea | 0.8 mi | — |
| Pioneer Charter School of Science Everett | 0.8 mi | 6.7 |
| Everett High Everett | 1.0 mi | 5.5 |
| Parlin School Everett | 0.9 mi | 3.8 |
| Chelsea Virtual Learning Academy Chelsea | 0.9 mi | 4.1 |
| Webster Extension Everett | 1.0 mi | 5.0 |
| Devens School Everett | 1.0 mi | 6.3 |
| Sumner G. Whittier School Everett | 1.0 mi | 3.1 |
| East Boston High School East Boston | 1.3 mi | 5.0 |
| ST ANTHONY SCHOOL Everett | 1.0 mi | 6.2 |
| William A Berkowitz Elementary Chelsea | 1.1 mi | 8.1 |
| Edgar A Hooks Elementary Chelsea | 1.1 mi | 3.9 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 02150 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$72,122
Median Home Value
$476,500
Median Rent
$1,861/mo
Population
39,444
College Educated
22%
Homeownership
29.2%
Avg Commute
33.5 min
Poverty Rate
20.6%
Median Age
34.5
Community Profile
The community surrounding Chelsea High has a median household income of $72,122. It is a community where 22% of adults hold a bachelor's degree or higher. The median home value in the area is $476,500, with a median rent of $1,861/month. The area has a poverty rate of 20.6%, indicating some economic challenges in the community. The average commute for residents is 34 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Everett High Everett, MA | 5.5 |
| Madison Park Technical Vocational High School Roxbury, MA | 5.5 |
| North Attleboro High North Attleborough, MA | 5.5 |
| Chicopee Comprehensive High School Chicopee, MA | 5.6 |
| Gr New Bedford Vocational Technical New Bedford, MA | 5.4 |
| Assabet Valley Vocational High School Marlborough, MA | 5.7 |
Frequently Asked Questions
Common questions about Chelsea High
What grades does Chelsea High serve?
Chelsea High serves students in grades 9th through 12th.
How many students attend Chelsea High?
Chelsea High has an enrollment of approximately 1,680 students.
What is the student-teacher ratio at Chelsea High?
The student-teacher ratio at Chelsea High is 14.5:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Chelsea High rank in MA?
Chelsea High is ranked #1202 out of 1,791 schools in MA.
What is Chelsea High's MySchoolScout rating?
Chelsea High has a composite rating of 5.5 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at Chelsea High?
Based on the most recent state assessment data, Chelsea High has 22.4% math proficiency and 27.8% reading/ELA proficiency.
Is Chelsea High a charter school?
No, Chelsea High is not a charter school. It is a traditional public school operated by the local school district.
Is Chelsea High a Title I school?
No, Chelsea High is not currently a Title I school.
Neighborhood Context
- Walk Score
- 86 Very Walkable
- Transit Score
- 62 Good Transit
- Bike Score
- 52 Bikeable
- City Safety
- High (2,423/100K)
Powered by 
FBI UCR 2024. City-level (Chelsea). Data >1 year old.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 9th – 12th
- Enrollment
- 1,680
- Student-Teacher Ratio
- 14.5:1
- Teachers (FTE)
- 116
- Type
- regular
- Setting
- Large Suburb
- County
- Suffolk County
- Phone
- (617) 466-5000
- Data Year
- 2023–2024
Resources & Links
District
Chelsea- District Enrollment
- 6,148
- Schools in District
- 11
- Per-Pupil Spending
- $21,435
- District Rank
- #4 of 11
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
Read our full methodologyRelated reading
Get school insights in your inbox
New rankings, best-schools lists, and parent guides — delivered free. No spam, unsubscribe anytime.
We respect your privacy. Unsubscribe at any time.