Spectrum Middle School - Grade 6 vs Three Rivers Montessori School
A head-to-head comparison of two schools in Minnesota, United States, 1.1 km apart, using official American 2025 data. The better value in each row is highlighted.
Spectrum Middle School - Grade 6
Elk River · Charter middle · Grades 6–6
147 students
Three Rivers Montessori School
Elk River · Charter elementary · Grades K–6
119 students
| Measure | Spectrum Middle School - Grade 6 Elk River, Minnesota | Three Rivers Montessori School Elk River, Minnesota |
|---|---|---|
| Success Index (US) | 81 Top 10% | 66 Top 50% |
| State rank | #23 of 266 | #506 of 923 |
| National rank | #1366 of 15,369 | #13866 of 50,301 |
| Sector | Charter | Charter |
| Type | Middle | Elementary |
| Year range | Grades 6–6 | Grades K–6 |
| Students | 147 | 119 |
| Enrollment | 147 | 119 |
| Free/reduced-price lunch | 15% | 30.3% |
| Students per teacher | 18.4 | 17.0 |
| Reading proficiency | 77% | – |
| Math proficiency | 62% | – |
| city | Elk River | Elk River |
| state | Minnesota | Minnesota |
| Website | – | – |
The verdict
- •Spectrum Middle School - Grade 6 scores higher on the Success Index (US) (80.8 vs 66.4).
- •Spectrum Middle School - Grade 6 does better on community advantage (fewer free/reduced-price lunch) (15% vs 30.3%).
- •Three Rivers Montessori School does better on students per teacher (17.0 vs 18.4).
- •Spectrum Middle School - Grade 6 is the larger school with 147 students compared with 119.
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 Spectrum Middle School - Grade 6 better than Three Rivers Montessori School?
On the Success Index (US), Spectrum Middle School - Grade 6 ranks higher (80.8 vs 66.4 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 Spectrum Middle School - Grade 6 and Three Rivers Montessori School?
About 1.1 km in a straight line, between Elk River and Elk River in Minnesota.
Which has the better Enrollment?
Spectrum Middle School - Grade 6: 147. Three Rivers Montessori School: 119. Students enrolled in the latest NCES directory year.
How do Spectrum Middle School - Grade 6 and Three Rivers Montessori School rank in Minnesota?
Spectrum Middle School - Grade 6 is 23rd of 266 and Three Rivers Montessori School is 506th of 923 among middle schools in Minnesota on the 2025 Success Index (US).