Compare United States schools
Add up to four schools to compare them side by side on every published measure.
Potomac Elem SchoolArmstrong-Ellis Elem SchoolArmstrong High SchoolRossville-Alvin Elem School
Maximum of four schools. Remove one to add another.
| Measure | Potomac Elem School Potomac, Illinois | Armstrong-Ellis Elem School Armstrong, Illinois | Armstrong High School Armstrong, Illinois | Rossville-Alvin Elem School Rossville, Illinois |
|---|---|---|---|---|
| Success Index (US) | 31 Lower 50% | 53 Top 50% | 34 Lower 50% | 25 Lower 50% |
| State rank | #1429 of 2,303 | #720 of 2,303 | #350 of 691 | #1665 of 2,303 |
| National rank | #37826 of 50,301 | #22818 of 50,301 | #12366 of 16,910 | #41953 of 50,301 |
| Sector | Public | Public | Public | Public |
| Type | Elementary | Elementary | High | Elementary |
| Year range | Grades PK–8 | Grades K–8 | Grades 9–12 | Grades PK–8 |
| Students | 137 | 81 | 114 | 300 |
| Enrollment | 137 | 81 | 114 | 300 |
| Free/reduced-price lunch | 51.1% | 40.7% | 37.7% | 58.3% |
| Students per teacher | 9.8 | 8.1 | 8.1 | 15.0 |
| Reading proficiency | 22% | 44.5% | 24.5% | 17% |
| Math proficiency | 22% | 44.5% | 15% | 22% |
| city | Potomac | Armstrong | Armstrong | Rossville |
| state | Illinois | Illinois | Illinois | Illinois |
| Website | – | – | – | – |
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Reading the comparison
Success Index (US) is our 0–100 score (see the methodology). Enrollment: Students enrolled in the latest NCES directory year. Free/reduced-price lunch: Share of students eligible for free or reduced-price lunch. Students per teacher: Enrollment divided by FTE teachers; not class size. Reading proficiency: Share of tested students proficient or above (all students, all grades).