Average
#56 of 73 private schools in NH
St Thomas Aquinas High School
High School
197 DOVER POINT RD, Dover, NH 03820
Enrollment
414
Student-Teacher
12.5:1
Score
5.5
Grades
9th – 12th
Enrollment
414
Student-Teacher
12.5:1
Score
5.5
Grades
9th – 12th
Data vintage
2021-22
Data vintage2021-22
How this school compares
New Hampshire private schools
#56 of 73
In Dover
#3 of 3
public schools
Shortlisting around St Thomas Aquinas High School?
Use this profile as one decision point, then compare nearby options, source confidence, and commute fit before picking a neighborhood around it.
Shortlist starter
Start with these real page-level signals, then use the full table and map below.
St Thomas Aquinas High School
High School in Dover · grades 9th – 12th. Start here, then compare fit against nearby and district options.
Portsmouth Christian Academy
1.3 mi away. Use as a geographic alternative in the same move search.
Garrison School
1.7 mi away. Use as a geographic alternative in the same move search.
About St Thomas Aquinas High School
St Thomas Aquinas High School is a private high school in Dover, NH. St Thomas Aquinas High School serves approximately 414 students, and covers grades 9th-12th, and has a 12.5:1 student-teacher ratio. St Thomas Aquinas High School has a current MySchoolScout rating of 5.5 out of 10 and ranks #56 of 73 private schools in NH.
- This school 5.5 · Average
- NH avg 6.7
What Parents Should Know
St Thomas Aquinas High School is private, so it runs independently of the local district and sets its own curriculum. That freedom cuts both ways depending on what you want for your child. If you're considering it, start with the practical questions: tuition, financial aid, and how admissions work.
Compare to Public Schools
BetaHow St Thomas Aquinas High School compares to the 6 public schools in Dover, NH
Student Demographics
All Schools in Dover
| School | Rating |
|---|---|
| St Thomas Aquinas High School (this school) | 5.5 |
| Garrison School | 6.8 |
| Dover Middle School | 4.3 |
| Dover Senior High School | 6.1 |
| Woodman Park School | 5.5 |
| Frances G. Hopkins Elementary School at Horne Street | 5.3 |
| Seacoast Charter School | 5.2 |
Demographics sourced from NCES Private School Survey (PSS) and Common Core of Data (CCD). Comparisons are based on enrollment-weighted averages.
Score Breakdown
PreliminaryWhat This Rating Measures
This rating reflects classroom size, instructional time, student diversity, community resources, and school characteristics. Private schools are ranked against other private schools in NH.
Data Unavailable
View data sources
Score basis: Private school model
Data coverage: 80% of scoring components had data
Components scored: 4 of 5
Ranking pool: Private schools in NH
Test Scores
Test score data not yet available for this school.
Student Demographics NCES PSS (SY 2021-22)
Source: NCES Private School Survey (PSS)
Location
197 DOVER POINT RD, Dover, NH 03820
Nearby Alternatives
Families considering St Thomas Aquinas High School may also want to explore other high schools in the area. Oyster River High School (rated 8.5/10, 3.9 miles away, in nearby Durham), which scores notably higher. Another option is Marshwood High School (rated 6.7/10, 4.0 miles away, in nearby South Berwick), which scores notably higher. Additionally, Dover Senior High School (rated 6.1/10, 2.8 miles away), which scores slightly higher. For more schools in Dover, see our Dover schools guide .
Nearby Schools
20 within 5.8 mi| School | Distance | Rating |
|---|---|---|
| PORTSMOUTH CHRISTIAN ACADEMY Dover | 1.3 mi | 6.4 |
| Garrison School Dover | 1.7 mi | 6.8 |
| Marshwood Middle School Eliot | 2.2 mi | 6.4 |
| Newington Public School Newington | 3.2 mi | 8.6 |
| Dover Middle School Dover | 2.8 mi | 4.3 |
| Dover Senior High School Dover | 2.8 mi | 6.1 |
| ST MARY ACADEMY Dover | 3.2 mi | 6.1 |
| MY SCHOOL Dover | 3.2 mi | — |
| SEACOAST WALDORF SCHOOL Eliot | 2.8 mi | 5.7 |
| Woodman Park School Dover | 3.4 mi | 5.5 |
| Eliot Elementary School Eliot | 3.3 mi | 4.5 |
| Marshwood High School South Berwick | 4.0 mi | 6.7 |
| Frances G. Hopkins Elementary School at Horne Street Dover | 4.6 mi | 5.3 |
| Oyster River High School Durham | 3.9 mi | 8.5 |
| Oyster River Preschool Education Program Durham | 3.9 mi | — |
| Rollinsford Grade School Rollinsford | 5.6 mi | 6.3 |
| Marshwood Great Works School South Berwick | 5.5 mi | 5.8 |
| Oyster River Middle School Durham | 4.3 mi | 8.4 |
| BERWICK ACADEMY South Berwick | 5.6 mi | 7.1 |
| Central School South Berwick | 5.8 mi | 4.8 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 03820 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$92,793
Median Home Value
$397,900
Median Rent
$1,540/mo
Population
33,150
College Educated
49.2%
Homeownership
51.4%
Avg Commute
22 min
Poverty Rate
8.1%
Median Age
37.6
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Fall Mountain Regional High School Langdon, NH | 5.5 |
| Somersworth High School Somersworth, NH | 5.4 |
| Belmont High School Belmont, NH | 5.8 |
| Berlin Senior High School Berlin, NH | 5.8 |
| Monadnock Regional High School E. Swanzey, NH | 5.1 |
| Newport Middle High School (High) Newport, NH | 5.0 |
Frequently Asked Questions
Common questions about St Thomas Aquinas High School
What grades does St Thomas Aquinas High School serve?
St Thomas Aquinas High School serves students in grades 9th through 12th.
How many students attend St Thomas Aquinas High School?
St Thomas Aquinas High School has an enrollment of approximately 414 students.
What is the student-teacher ratio at St Thomas Aquinas High School?
The student-teacher ratio at St Thomas Aquinas High School is 12.5:1. A lower ratio generally means more individual attention per student. The national average is approximately 11:1 for private schools.
How does St Thomas Aquinas High School rank in NH?
St Thomas Aquinas High School ranks #56 of 73 private schools in NH.
What is St Thomas Aquinas High School's MySchoolScout rating?
St Thomas Aquinas High School 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.
Is St Thomas Aquinas High School a private school?
Yes, St Thomas Aquinas High School is a private coeducational school with a Roman Catholic affiliation. Private schools are not required to participate in state standardized testing, so academic performance data may be limited compared to public schools.
Is St Thomas Aquinas High School a religious school?
St Thomas Aquinas High School has a Roman Catholic religious affiliation.
Explore More Schools
Neighborhood Context
Powered by 
Quick Facts NCES PSS (SY 2021-22)
- Grades
- 9th – 12th
- Enrollment
- 414
- Gender Split
- 46% M / 54% F
- Student-Teacher Ratio
- 12.5:1
- Teachers (FTE)
- 33
- Type
- private
- Coed Status
- coed
- Affiliation
- Roman Catholic
- School Day
- 6.6 hours
- Days Per Year
- 180 days
- Setting
- Small Suburb
- County
- Strafford County
- Phone
- (603) 742-3206
Resources & Links
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 rateRelated 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.