Schools in Mason City, Illinois (2025)
4 schools · 640 students · 4 public · median Enrollment 172.
Mason City, in Illinois, has 4 schools in United States's 2025 data, together educating about 640 students. By level there are 1 middle, 1 elementary, 1 high, 1 other; by sector 4 public.
The median Enrollment across Mason City's schools is 172, below the Illinois median of 373. Students enrolled in the latest NCES directory year.
3 of the 4 schools qualify for the Success Index (US). The highest-scoring is Illini Central Middle School (38.5, lower 50% of middle schools nationally), followed by Illini Central Grade School (38.0, lower 50% of elementary schools nationally), and Illini Central High School (32.3, lower 50% of high schools nationally). Scores are percentiles within school type, so compare an elementary school with other elementary schools.
The largest schools are Illini Central Grade School (264 students), Illini Central High School (172 students), Illini Central Middle School (139 students).
Ranked schools in Mason City
Ordered by Success Index (US). Rank positions shown on each profile are within United States and Illinois.
- 139Illini Central Middle SchoolMason City · Public Middle22% Math proficiency · 139 students
- 238Illini Central Grade SchoolMason City · Public Elementary22% Math proficiency · 264 students
- 332Illini Central High SchoolMason City · Public High5% Math proficiency · 172 students
| # | School | Sector | Success Index (US) | Key result | Students |
|---|---|---|---|---|---|
| 1 | Illini Central Middle School Mason City · Middle · Grades 6–8 | Public | 38.5 Lower 50% | 22% Math proficiency | 139 |
| 2 | Illini Central Grade School Mason City · Elementary · Grades K–5 | Public | 38.0 Lower 50% | 22% Math proficiency | 264 |
| 3 | Illini Central High School Mason City · High · Grades 9–12 | Public | 32.3 Lower 50% | 5% Math proficiency | 172 |
Other schools in Mason City
Schools without a rank: fewer than 60 students, no published Enrollment, or a school type that is not scored.
Compare the top 3 schools in Mason City side by side →
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Frequently asked questions
What is the best school in Mason City?
Illini Central Middle School is the highest-ranked school in Mason City with a Success Index (US) of 38.5 out of 100 (Lower 50% of middle schools in United States).
How many schools are in Mason City?
Mason City has 4 schools (1 middle, 1 elementary, 1 high, 1 other) educating 640 students in 2025.
What is the typical Enrollment in Mason City?
The median Enrollment across schools in Mason City is 172. Students enrolled in the latest NCES directory year.