Illini Central Grade School
🇺🇸 Official data · 2025Mason City, Illinois 62664 · Illini Central CUSD 189
#1164 of 2,303 elementary schools in Illinois
#33292 of 50,301 nationally
About Illini Central Grade School
Illini Central Grade School is a public elementary located in Mason City, in the Illini Central CUSD 189 school district of Illinois, United States. It caters for Grades K–5. In 2025 it enrolled 264 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 38.0 out of 100, placing it in the lower 50% of elementary schools in United States and 1164th of 2,303 ranked elementary schools in Illinois. Its strongest component is students per teacher (88th percentile), and its weakest is math proficiency (11th percentile).
Other published figures: enrollment 264.
There are 4 schools in Mason City; Illini Central Grade School ranks 2nd of 3 scored schools there.
Success Index (US) breakdown
Each component is a percentile against elementary schools across United States.
- Math proficiency (30%)22%
- Reading proficiency (30%)37%
- Community advantage (fewer free/reduced-price lunch) (25%)58%
- Students per teacher (15%)10.2
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Illini Central Grade School by the official sources.
- Enrollment
- 264
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 58%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 10.2
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 37%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 22%
- Share of tested students proficient or above (all students, all grades).
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Schools near Illini Central Grade School
Closest schools by straight-line distance, with their Success Index (US).
Illini Central High School
Mason City · Public high · Grades 9–12
172 students · 0 m away
Illini Central Middle School
Mason City · Public middle · Grades 6–8
139 students · 0 m away
West Campus Facility
Mason City · Public other · Grades PK–PK
65 students · 894 m away
Greenview Jr/Sr High School
Greenview · Public high · Grades 6–12
107 students · 14 km away
Greenview Elementary School
Greenview · Public elementary · Grades PK–5
117 students · 14 km away
Similar schools
Public elementary schools in Illinois with a comparable Enrollment.
Brownstown Elem School
Brownstown · Public elementary · Grades PK–6
264 students
Burnside Elem Scholastic Academy
Chicago · Public elementary · Grades PK–8
264 students
Carol Moseley Braun School
Calumet City · Public elementary · Grades K–5
264 students
Washington Elem School
Jacksonville · Public elementary · Grades K–5
264 students
Northside School
Morrison · Public elementary · Grades PK–2
264 students
C B Smith Elem School
Pekin · Public elementary · Grades K–3
264 students
Frequently asked questions
Is Illini Central Grade School a good school?
Illini Central Grade School has a Success Index (US) of 38.0 out of 100 (Lower 50% of elementary schools in United States) and ranks #1164 of 2,303 in Illinois. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Illini Central Grade School rank in Illinois?
Illini Central Grade School ranks #1164 of 2,303 elementary schools in Illinois and #33292 of 50,301 nationally on the Success Index (US) (2025 data).
How many students attend Illini Central Grade School?
Illini Central Grade School had 264 students in 2025.
Is Illini Central Grade School a elementary school or a high school?
Illini Central Grade School is classified as a elementary covering Grades K–5. It is a public school.
What other schools are near Illini Central Grade School?
There are 5 schools within 15 km of Illini Central Grade School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.