Average
#1173 of 1,793 schools in MA
Chelsea Opportunity Academy
High School · Chelsea · Chelsea, MA
A high school in Chelsea, MA where students score 12 points above what's typical for similar communities.
299 Everett Avenue, Chelsea, MA 02150
- Math 25% proficient (2019)
- Reading 25% proficient (2019)
- 24.5% 4-year graduation
Academics
Full Profile · 4/4 metricsView breakdown
View breakdown
View breakdown
View breakdown
Students at Chelsea Opportunity Academy score 25% proficient, which is above what's typical for similar communities (expected: 13%).
2019 EdFacts proficiency
Most recent published year. School vs. MA average.
Trend
→ SteadyProficiency has held near 25% across the 2-year record (2018–2019).
Show all 2 years by subject
Multi-year averages used by the rating model: math 25% (multi-year average, 2018-2019) · reading/ELA 25% (multi-year average, 2018-2019)
Based on 4 test records from MA state assessments and EdFacts (NCES).
How we rate schools
A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.
See how we rateThe neighborhood
Where Chelsea Opportunity Academy sits, and what the surrounding area looks like.
Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries. Open the Boston map →
Getting around & local context
- Walk 86Very Walkable
- Transit 63Good Transit
- Bike 52Bikeable
- City Safety: High2,423/100K
FBI Uniform Crime Reporting · 2024 · city context (Chelsea), not school-level safety or attendance eligibility. Source details
Source period: 2024. Freshness not available.
Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)
Median income
$72,122
Median home value
$476,500
Median rent
$1,861/mo
College educated
22%
Homeownership
29.2%
Poverty rate
20.6%
ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 02150; this is area context, not an attendance boundary.
Compare nearby
Nearby same-level schools
4 from a 5-mile search; district fallback available
| School | Score | Grades | Distance | Enrollment | Compare |
|---|---|---|---|---|---|
| Chelsea HighEnrollment path unverified | 4.9 | 9–12 | 0.0 mi | 1,680 | Compare → |
| Phoenix Academy Charter Public High School ChelseaCharter · enrollment unverified | 6.3 | 9–12 | 0.6 mi | 194 | Compare → |
| Pioneer Charter School of ScienceCharter · enrollment unverified | 8.2 | K–12 | 0.8 mi | 779 | Compare → |
| Seaport AcademyPrivate · tuition | Not rated | 9–12 | 0.8 mi | 24 | Compare → |
Distance is proximity only; it is not attendance eligibility.
Enrollment path unverified: Potential public school; its attendance or application path has not been classified.
Charter · enrollment unverified: Potential charter option; enrollment requirements have not been verified.
Private · tuition: Potential private option; tuition and admission requirements have not been verified.
Chelsea
- Schools in district
- 11
- Rank in district
- #5 of 11
- District spending per student
- $21,435NCES F-33 · FY 2023 · This annual source is three years behind the current year.
- District child poverty rate
- 22.2%Census SAIPE · 2024
Chelsea Opportunity Academy is listed in Chelsea; a district label does not verify attendance for an address.
About Chelsea Opportunity Academy
Chelsea Opportunity Academy is a public high school in Chelsea, MA, part of Chelsea, serving approximately 125 students in grades 9th-12th with a 17.9:1 student-teacher ratio. It holds a MySchoolScout rating of 5.5 out of 10 and ranks #1,173 of 1,793 schools in MA. State assessment records show 25% math proficiency (multi-year average, 2018-2019) and 25% reading/ELA proficiency (multi-year average, 2018-2019).
Frequently asked questions
Common questions about Chelsea Opportunity Academy
What grades does Chelsea Opportunity Academy serve?
Chelsea Opportunity Academy serves students in grades 9th through 12th.
How many students attend Chelsea Opportunity Academy?
Chelsea Opportunity Academy has an enrollment of approximately 125 students.
What is the student-teacher ratio at Chelsea Opportunity Academy?
The student-teacher ratio at Chelsea Opportunity Academy is 17.9:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Chelsea Opportunity Academy rank in MA?
Chelsea Opportunity Academy ranks #1,173 of 1,793 schools in MA.
What is Chelsea Opportunity Academy's MySchoolScout rating?
Chelsea Opportunity Academy has a current MySchoolScout rating of 5.5 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at Chelsea Opportunity Academy?
Based on loaded state assessment records, Chelsea Opportunity Academy has 25% math proficiency (multi-year average, 2018-2019) and 25% reading/ELA proficiency (multi-year average, 2018-2019).
Is Chelsea Opportunity Academy a charter school?
No, Chelsea Opportunity Academy is not a charter school. It is a traditional public school operated by the local school district.
Is Chelsea Opportunity Academy a Title I school?
No, Chelsea Opportunity Academy is not currently a Title I school.
School factsNCES Common Core of Data (CCD) (SY 2023–24)
- Grades
- 9th – 12th
- Enrollment
- 125
- Student-Teacher Ratio
- 17.9:1
- Teachers (FTE)
- 7
- Type
- alternative
- Setting
- Large Suburb
- County
- Suffolk County
- Phone
- (617) 466-5000
- 4-Year Graduation
- 24.5%
- Area population (ZIP 02150)
- 39,444
- Area average commute
- 33.5 min
- Area median age
- 34.5
About this school's data
Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.
- School directory (enrollment, grades, staff, contact)
- NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
- Source period: SY 2023–24. A newer release may be available.
- MySchoolScout rating and rank
- MySchoolScout ranking model · Low confidence
- Vintage not available. Do not use this measure alone.
- Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
- Math proficiency
- State department of education · 2019 EdFacts · Low confidence
- Older source: 2019 EdFacts. Use as historical context.
- Available for part of the eligible units; results may not represent the full area.
- Derived from source records rather than read directly from one field.
- Reading/ELA proficiency
- State department of education · 2019 EdFacts · Low confidence
- Older source: 2019 EdFacts. Use as historical context.
- Available for part of the eligible units; results may not represent the full area.
- Derived from source records rather than read directly from one field.
- Student progress (growth)
- NCES EdFacts · Mixed source periods · Low confidence
- Vintage not available. Do not use this measure alone.
- Available for part of the eligible units; results may not represent the full area.
- Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
- Neighborhood (income, housing, education)
- U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
- Older source: ACS 2019–2023 5-year estimates. Use as historical context.
- Reported for the ZCTA for ZIP 02150; this does not measure the attendance area.
Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2018-2019; directory SY 2023–24
Related 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.