Average
#2776 of 3,813 schools in IL
Illini Central High School
High School · Illini Central CUSD 189
208 N West Ave, Mason City, IL 62664
Enrollment
190
Student-Teacher
9.5:1
Score
5.3
Grades
9th – 12th
Enrollment
190
Student-Teacher
9.5:1
Score
5.3
Grades
9th – 12th
Updated
2022-23
Updated 2022-23
How this school compares
In Mason City
#2 of 4
public schools
Illinois high schools
#544 of 703
In district
#2 of 4
Illini Central CUSD 189
Academic growth
9.2 / 10
Exceptional
About Illini Central High School
Illini Central High School is a regular public high school located in Mason City, Illinois. Serving students from ninth through twelfth grade, the school has an enrollment of 190 students and boasts a student-teacher ratio of 9.5:1, ensuring that each student receives individual attention from their teachers. With 20 full-time equivalent teachers on staff, Illini Central High School is well-equipped to support its diverse range of learners.
Illini Central High School's academic performance places it in the 43rd percentile among Illinois schools, with a MySchoolScout rating of 5.1 out of 10 and an academic score of 3.8 out of 10. While proficiency rates in ELA/Reading are at 21%, math proficiency is significantly lower at just 5%. The school continues to focus on student development and academic growth, striving to improve its educational outcomes.
Situated in a rural setting, Illini Central High School offers a close-knit community atmosphere where students can thrive and build strong relationships with their peers and teachers.
What Parents Should Know
With an enrollment of 190 students, Illini Central High School is a smaller school where families often find a close-knit community atmosphere. Smaller settings can mean more individual attention from teachers and staff, though they may offer fewer extracurricular options than larger schools.
While current test scores at Illini Central High School are below average, the school shows strong growth metrics — meaning students are making above-average progress year over year. This upward trajectory can be a positive indicator for families who value a school's ability to help students improve, even if absolute scores haven't caught up yet.
With a student-teacher ratio of 9.5:1, Illini Central High School offers a notably low ratio compared to the national average. This typically means smaller class sizes and more opportunities for one-on-one interaction between students and teachers.
Score Breakdown
Full Profile · 4/4 metricsView breakdown
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Illini Central High School — Students at Illini Central High School score 15% proficient, which is below what's typical for similar communities (expected: 31%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
38.4%
Students qualifying for federal meal assistance
Test Scores IL EDFACTS (2021-22)
Based on 5 test records from IL state assessments. About our data
Proficiency Trend
↑ ImprovingAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 9.2/10.
How Illini Central High School Compares
See how Illini Central High School performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has remained stable from 5% (2019) to 5% (2021). Reading/ELA proficiency has remained stable from 24.5% (2019) to 24.5% (2022).
Location
208 N West Ave, Mason City, IL 62664
Nearby Alternatives
Families considering Illini Central High School may also want to explore other high schools in the area. Greenview Jr/Sr High School (rated 6.4/10, 8.7 miles away, in nearby Greenview), which scores notably higher. Another option is Midwest Central High School (rated 6.4/10, 15.2 miles away, in nearby Manito), which scores notably higher. Additionally, Athens Sr High School (rated 5.4/10, 16.7 miles away, in nearby Athens), with a very similar rating. For more schools in Mason City, see our Mason City schools guide .
Nearby Schools
20 within 18.3 mi| School | Distance | Rating |
|---|---|---|
| Illini Central Grade School Mason City | 0.0 mi | 5.8 |
| Illini Central Middle School Mason City | 0.0 mi | 4.8 |
| West Campus Facility Mason City | 0.6 mi | 4.9 |
| Greenview Jr/Sr High School Greenview | 8.7 mi | 6.4 |
| Greenview Elementary School Greenview | 8.7 mi | 9.3 |
| New Holland-Middletown Elem Sch Middletown | 9.7 mi | 5.4 |
| Midwest Central Middle School Green Valley | 14.6 mi | 7.1 |
| Midwest Central Primary School Manito | 15.1 mi | 5.7 |
| Midwest Central High School Manito | 15.2 mi | 6.4 |
| Delavan High School Delavan | 14.0 mi | 4.7 |
| Delavan Elementary School Delavan | 14.0 mi | 4.0 |
| Delavan Jr High School Delavan | 14.0 mi | 6.6 |
| Emden Elementary School Emden | 13.4 mi | 7.6 |
| Porta Central Petersburg | 15.2 mi | 4.6 |
| Athens Sr High School Athens | 16.7 mi | 5.4 |
| Athens Junior High School Athens | 16.7 mi | 3.3 |
| Petersburg Elem School Petersburg | 15.5 mi | 5.1 |
| Porta High School Petersburg | 15.5 mi | 4.7 |
| Cantrall Intermediate School Cantrall | 18.3 mi | 7.0 |
| Cantrall Elem School Cantrall | 18.3 mi | 7.6 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 62664 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$71,012
Median Home Value
$102,900
Median Rent
$775/mo
Population
2,848
College Educated
22.1%
Homeownership
81.7%
Avg Commute
27.6 min
Poverty Rate
13.7%
Median Age
49.8
Community Profile
The community surrounding Illini Central High School has a median household income of $71,012. It is a community where 22% of adults hold a bachelor's degree or higher. The median home value in the area is $102,900, with a median rent of $775/month. The area has a poverty rate of 13.7%. The average commute for residents is 28 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Altamont High School Altamont, IL | 5.3 |
| East Dubuque High School East Dubuque, IL | 5.3 |
| Hirsch Metropolitan High School Chicago, IL | 5.3 |
| New Athens High School New Athens, IL | 5.3 |
| Salt Fork High School Catlin, IL | 5.3 |
| Shiloh High School Hume, IL | 5.3 |
Frequently Asked Questions
Common questions about Illini Central High School
What grades does Illini Central High School serve?
Illini Central High School serves students in grades 9th through 12th.
How many students attend Illini Central High School?
Illini Central High School has an enrollment of approximately 190 students.
What is the student-teacher ratio at Illini Central High School?
The student-teacher ratio at Illini Central High School is 9.5:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Illini Central High School rank in IL?
Illini Central High School is ranked #2776 out of 3,813 schools in IL.
What is Illini Central High School's MySchoolScout rating?
Illini Central High School has a composite rating of 5.3 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at Illini Central High School?
Based on the most recent state assessment data, Illini Central High School has 5.0% math proficiency and 21.3% reading/ELA proficiency.
Is Illini Central High School a charter school?
No, Illini Central High School is not a charter school. It is a traditional public school operated by the local school district.
Is Illini Central High School a Title I school?
No, Illini Central High School is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Illini Central High School?
38.4% of students at Illini Central High School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Explore More Schools
Neighborhood Context
- City Safety
- Average (614/100K)
FBI UCR 2024. City-level (Mason City). Data >1 year old.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 9th – 12th
- Enrollment
- 190
- Student-Teacher Ratio
- 9.5:1
- Teachers (FTE)
- 20
- Free/Reduced Lunch
- 38.4%
- Type
- regular
- Setting
- Distant Rural
- County
- Mason County
- Phone
- (217) 482-3252
- Data Year
- 2023–2024
Resources & Links
District
Illini Central CUSD 189- District Enrollment
- 668
- Schools in District
- 4
- Per-Pupil Spending
- $17,704
- District Rank
- #2 of 4
Other Schools in This District
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
Read our full methodologyRelated reading
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