Charlestown Primary School vs Sarah Porter School
A head-to-head comparison of two elementary schools in New Hampshire, United States, 7.6 km apart, using official American 2025 data. The better value in each row is highlighted.
Charlestown Primary School
Charlestown · Public elementary · Grades PK–4
234 students
Sarah Porter School
Langdon · Public elementary · Grades 1–4
19 students
| Measure | Charlestown Primary School Charlestown, New Hampshire | Sarah Porter School Langdon, New Hampshire |
|---|---|---|
| Success Index (US) | 50 Lower 50% | 82 Top 10% |
| State rank | #217 of 254 | – |
| National rank | #25292 of 50,301 | – |
| Sector | Public | Public |
| Type | Elementary | Elementary |
| Year range | Grades PK–4 | Grades 1–4 |
| Students | 234 | 19 |
| Enrollment | 234 | 19 |
| Free/reduced-price lunch | 46.6% | 31.6% |
| Students per teacher | 9.8 | 9.5 |
| Reading proficiency | 42% | 75% |
| Math proficiency | 37% | 75% |
| city | Charlestown | Langdon |
| state | New Hampshire | New Hampshire |
| Website | – | – |
The verdict
- •Sarah Porter School scores higher on the Success Index (US) (82.0 vs 49.8).
- •Sarah Porter School does better on math proficiency (75% vs 37%).
- •Sarah Porter School does better on reading proficiency (75% vs 42%).
- •Sarah Porter School does better on community advantage (fewer free/reduced-price lunch) (31.6% vs 46.6%).
- •Sarah Porter School does better on students per teacher (9.5 vs 9.8).
- •Charlestown Primary School is the larger school with 234 students compared with 19.
The Success Index (US) summarises published results and context from official data. It does not measure teaching quality or fit. Methodology.
Free academic assessment
Torn between two schools? Start with your child.
Whichever you choose, a free Success Tutoring assessment shows exactly where your child is in English and Maths and how to get ahead before the next school year.
- Personalised learning plan mapped to the Australian Curriculum
- English & Maths from Kindergarten to Year 12
- Flexible memberships, no lock-in contracts
- Centres across NSW, VIC, QLD, WA, SA and ACT
Frequently asked questions
Is Charlestown Primary School better than Sarah Porter School?
On the Success Index (US), Sarah Porter School ranks higher (82.0 vs 49.8 out of 100). The index is built from published results and context data, not from teaching quality or fit, so visit both schools before deciding.
How far apart are Charlestown Primary School and Sarah Porter School?
About 7.6 km in a straight line, between Charlestown and Langdon in New Hampshire.
Which has the better Enrollment?
Charlestown Primary School: 234. Sarah Porter School: 19. Students enrolled in the latest NCES directory year.
How do Charlestown Primary School and Sarah Porter School rank in New Hampshire?
Charlestown Primary School is 217th of 254 and Sarah Porter School is unranked among elementary schools in New Hampshire on the 2025 Success Index (US).