SAT is the average total score of test takers. Graduation is the four-year rate. College is the share of graduates who report plans to attend a 2- or 4-year college.
Atlantis Charter School operates as a public charter school serving students across Massachusetts, without a traditional geographic home base tied to a single town or city. As a charter school, it draws students from multiple communities within its approved enrollment region. The school's charter model allows it to serve families seeking an alternative to their local district schools while remaining part of the state's public education system.
How it compares
What stands out
+Strongest area: Graduation rate, in the top 33% statewide. 96.7% of students graduate in four years, vs 91.6% at the typical MA high school.
!Area to watch: ELA MCAS ranks in the bottom 5% statewide.
↓Trend: ELA MCAS is down 25 points since 2023 (40% to 15%); statewide it fell 13 points.
↓Trend: The share of graduates planning on college has fallen from 88.9% in 2022 to 78.9% in 2025.
Where it stands among 335 Massachusetts high schools
Bottom of MATop of MA
Overall
Below averagebottom 12% · #298
SAT
Well below averagebottom 9% · #307
ELA MCAS
Well below averagebottom 5% · #314
Math MCAS
Well below averagebottom 5% · #313
AP results
Below averagebottom 14% · #277
Graduation
Above averagetop 33% · #106
College plans
Averagetop 50% · #163
The overall rank weighs SAT (30%), MCAS (25%), AP results (20%), and graduates' college plans (25%). Categories rank only the schools with data for them. How we rank
SAT
Average total score878in 2025 · MA avg 1091
213 points below the MA avg
By section (out of 800)
Reading & writingWorse than average
This school
452
MA avg
556
MathWorse than average
This school
426
MA avg
535
118 students took the SAT.
"MA avg" is the average of the 335 high schools we rank. Only students who choose to take the SAT are counted.
MCAS (10th grade)
Share of 10th graders meeting or exceeding expectations. Statewide results dropped after 2024, when passing the MCAS stopped being a graduation requirement. There was no test in 2020.
English Language Arts15%in 2026 · state 45%
30 points below the state
Math11%in 2026 · state 44%
33 points below the state
Biologyhigh school science, 2026Worse than average
This school
7%
State
38%
Detailed scores
Average scaled score, ELA · Math · Science (500+ = meeting expectations)478 · 478 · 471
Achievement percentile vs. MA schools (ELA · Math)10th · 11th
Student growth percentile, ELA · Math (50 = typical growth)38 · 50
Town figures are FY2026 averages for single-family homes from the Massachusetts Department of Revenue. Assessed values usually run below recent sale prices. "MA median" is the median of the state's 351 towns.
Similar schools elsewhere
Schools with similar test results, demographics, and college plans.