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Chelsea Opportunity Academy

Grades 09–12 · High · Chelsea, MA · NCES 250354002890

Alternative School

At a glance

Reported students

132

NCES CCD 2024–25

Teachers (FTE)

7.03

NCES CCD 2024–25

Student–teacher ratio

18.8:1

Calculated; not a class-size measure

Grades served

09–12

NCES preliminary directory 2025–26

School benchmarks

Massachusetts high enrollment

10th percentile

Compared with 378 same-level schools reporting enrollment.

District median enrollment

472

Chelsea Opportunity Academy: 132 reported students.

State peer staffing position

97th percentile

18.8:1 reported; state peer median 11.3:1. Ratio is not class size.

Historical enrollment and staffing · CRDC 2021–22

These older figures are kept separate from 2024–25 statistics and benchmarks. Differences between years can reflect changes in enrollment, staffing, or reporting scope.

Students
117
Teachers (FTE)
7
Student–teacher ratio
16.7:1

What the reported data says about Chelsea Opportunity Academy

Chelsea Opportunity Academy is a public high school serving grades 09–12 in Chelsea. It is one of 11 current school records connected to Chelsea. NCES reports 132 students for 2024–25.

Among 378 high schools in Massachusetts with comparable records, this school is smaller than the reported median of 675.5 students. Its enrollment is at approximately the 10th percentile for that peer group. Size describes the campus, not instructional quality.

The reported student–teacher ratio is 18.8:1, above the Massachusetts median of 11.3:1 for the same school level. This ratio uses total enrollment and teacher FTE; it is not an average classroom headcount and can be affected by special programs or part-time staffing.

The largest reported race and ethnicity groups are Hispanic or Latino (93.2%) and White (3%). English learners represent 63.2% of enrollment. Students served under IDEA represent 7.7%. These figures help families understand who the school serves; they are not rating inputs.

Questions worth asking Chelsea Opportunity Academy

  1. 1How do the reported 18.8:1 student–teacher ratio and 7.03 teacher FTE translate into actual class sizes by grade?
  2. 2Have the reported academic programs changed since the 2021–22 CRDC collection?
  3. 3What counseling support is available today? The school reported 0.75 counselor FTE in 2021–22.
  4. 4What meal assistance, transportation, after-school, and family-support services are currently available?
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Enrollment needs

English learners
63.2%
Students with disabilities
7.7%
Lunch program
Yes participating without using any Provision or the CEO

Reported support staff

Counselors (FTE)
0.75
Nurses (FTE)
0.4
Psychologists (FTE)
0
Social workers (FTE)
1

CRDC 2021–22 full-time-equivalent counts; verify current assignments with the school.

Student demographics

Race and ethnicity share of reported enrollment

  • White3%
  • Hispanic93.2%
  • Black3%
  • Asian0.8%
  • American Indian / Alaska Native0%
  • Native Hawaiian / Pacific Islander0%
  • Multiracial0%

Race/ethnicity: NCES CCD 2024–25. English learner and disability context: CRDC 2021–22. Lunch eligibility: NCES CCD 2024–25. Privacy rules can produce missing values.

Programs reported by the school

AP student enrollment

No students enrolled reported

Gifted and talented

Not reported as offered

Computer science

Not reported as offered

CRDC 2021–22: the AP flag records student enrollment; gifted and computer-science fields describe reported programs/classes. Confirm current courses and eligibility with the school.

Start with campuses at the same school level or with similar reported enrollment.

View all 11 district schools →

Public schools near Chelsea Opportunity Academy

Closest campuses by straight-line distance between NCES geocodes, favoring the same school level. Distance is not drive time or an attendance assignment.

SchoolGradesStudentsDistance
Chelsea High

High · Chelsea

09–121,649under 0.1 mi
Phoenix Academy Charter Public High School Chelsea

High · Charter · Phoenix Academy Charter Public High School Chelsea (Distric

09–121980.6 mi
Everett High

High · Everett

09–122,3071 mi
East Boston High School

High · Boston

07–121,2521.3 mi
Excel Academy Charter School

High · Charter · Excel Academy Charter (District)

05–121,3791.6 mi
Charlestown High School

High · Boston

07–127541.7 mi
Compare all 12 public schools in Chelsea, MA →

Frequently asked questions about Chelsea Opportunity Academy

What grades does Chelsea Opportunity Academy serve?

Chelsea Opportunity Academy reports grades 09–12 in the NCES 2025–26 preliminary directory. It is classified as a high school (alternative school) in Chelsea.

How many students attend Chelsea Opportunity Academy?

Chelsea Opportunity Academy reported 132 students in the NCES 2024–25 membership file. That places it near the 10th percentile among 378 Massachusetts high schools reporting enrollment. The 2021–22 civil-rights collection recorded 117 students.

What is the student–teacher ratio at Chelsea Opportunity Academy?

The calculated ratio is 18.8:1, based on 132 students and 7.03 full-time-equivalent classroom teachers in 2024–25. The Massachusetts median for the same school level is 11.3:1. A ratio is not the same as average class size.

Is Chelsea Opportunity Academy a public, charter, or magnet school?

Chelsea Opportunity Academy is a public school and is not a charter school. Enrollment is generally based on Chelsea attendance boundaries and transfer rules.

Which school district is Chelsea Opportunity Academy in?

Chelsea Opportunity Academy is part of Chelsea, based in Chelsea, MA, which operates 11 current schools. Confirm attendance zones and enrollment rules with the district.

What public schools are near Chelsea Opportunity Academy?

The closest public schools by straight-line distance include Chelsea High (under 0.1 mi), Phoenix Academy Charter Public High School Chelsea (0.6 mi), Everett High (1 mi). Distance does not determine eligibility; attendance boundaries and program rules do.