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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

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 metrics
Student Progress9.2Exceptional25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data3
Annual Change-0.21 pts/yr
Data Period2019–2022
TrendStable
Academics4.0Below Average25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency5%
Reading/ELA Proficiency24.5%
Overall Proficiency15%
Expected (poverty-adj.)31%
vs. Expected-16.7 pts
Adjusted Percentile21th
College Readiness1.9Significantly Below Average30%
Graduation rates, AP course participation, and IB availability.
View breakdown
AP Participation3.7%
IB ProgramNo
Resources & Environment7.2Very Good20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio9.5:1
Per-Pupil Spending$15,441

Illini Central High School — Students at Illini Central High School score 15% proficient, which is below what's typical for similar communities (expected: 31%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

38.4%

Students qualifying for federal meal assistance

Test Scores IL EDFACTS (2021-22)

Math Proficiency 5.0%
School
State
N/A
ELA Proficiency 21.3%
School
State
N/A

Based on 5 test records from IL state assessments. About our data

Proficiency Trend

↑ Improving

Average proficiency (% at or above grade level) across Math & ELA over time.

2019
Math
5%
ELA
24.5%
2021*
Math
5%
ELA
15%
2022
ELA
24.5%

* 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.

Overall Score
5.3/10
27th percentile in IL
Academic
4.0/10
4.0/10
Growth
9.2/10
Above average
Environment
7.2/10
Above average

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
38%
Teaching Staff
10:1 student-teacher ratio
20 teachers

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.

11 schools nearby View map →

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
Data Year
2023–2024

District

Illini Central CUSD 189
District Enrollment
668
Schools in District
4
Per-Pupil Spending
$17,704
District Rank
#2 of 4

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 methodology

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