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Sullivan High School

Public Grades 9-12
245th
SchoolDigger Rank ?
of 698 Illinois High Schools
Better than 65% of Illinois high schools
Summary

Sullivan High School is a public high school located in Sullivan, Illinois, serving grades 9-12 with a total enrollment of 328 students. The school is part of the Sullivan CUSD 300 district, which is ranked 336 out of 811 districts in Illinois and has a 3-star rating from SchoolDigger.

Academically, Sullivan High School has seen fluctuations in its statewide ranking, currently sitting at 245th out of 698 Illinois high schools for the 2024-2025 school year. While the school scored below the state average in ACT/English Language Arts, it performed above the state average in ACT/Mathematics and ACT/Science. Interestingly, Sullivan High School's female students have consistently outperformed their male counterparts on standardized tests. The school has maintained a relatively stable four-year graduation rate, ranging from 87.7% to 93.6% over the past few years, which is generally on par with the state average.

When compared to nearby high schools, Sullivan High School generally performs on par or slightly below schools like Mt. Zion High School and Shelbyville High School in terms of academic achievement and statewide rankings. However, Sullivan High School outperforms smaller, more rural schools like Arcola High School and Okaw Valley High School in several areas, including standardized test scores and graduation rates. The school's ability to address challenges such as chronic absenteeism and the performance of certain student subgroups could be key to improving its overall standing and outcomes for its students.

317
Students ?
14.9
Student/teacher ratio ?
$11,908
Per pupil spending ?
43.8%
Free/discounted lunch ?
 725 N Main St
       Sullivan, IL  61951-1540

(217) 728-8311

District: Sullivan CUSD 300


Feeder schools for Sullivan High School:

Elementary:    Sullivan Elementary School
Middle:    Sullivan Middle School
Racial breakdown:

White:
92.4%
Two or more races:
3.8%
Hispanic:
2.5%
more
 See top rated Illinois high schools

 Compare Sullivan High School to nearby high schools!
At a glance
Ranking trend: Declining — 76th percentile in 2015 → 65th in 2025
Strengths
Above the Illinois median (65th percentile)
Worth a look
!Ranking has slipped — down 11 percentile points since 2015
Students meeting standards (2024-2025) ?
This school47%
District avg47%
Illinois avg48%
245th of 698
Illinois public high schools ?
Top 35%▼ down 11 pts since 2015
From top 24% (2015) to top 35% (2025)
See the entire ranking list of Illinois High Schools →
SchoolDigger rating ?
336th of 811Sullivan CUSD 300 among Illinois districts
Statewide rank percentile over time (100 = the top-ranked school in the state; click a legend item to add a student group)
Show full rank history (all student groups)

All Students

YearAvg scoreStatewide rankIllinois percentileRating
202560.3245 of 69864.9%★★★☆☆
202455.0261 of 69762.6%★★★☆☆
202365.8195 of 69972.1%★★★★☆
202259.8257 of 69963.2%★★★☆☆
202154.9263 of 68861.8%★★★☆☆
201950.7327 of 70153.4%★★★☆☆
201857.4257 of 64760.3%★★★☆☆
201751.8300 of 64253.3%★★★☆☆
201666.8129 of 64379.9%★★★★☆
201570.0146 of 61476.2%★★★★☆
201467.1216 of 67067.8%★★★☆☆
201374.9161 of 67076.0%★★★★☆
201259.9290 of 66556.4%★★★☆☆
201174.3169 of 65574.2%★★★★☆
201050.3376 of 64341.5%★★☆☆☆
200947.5381 of 63239.7%★★☆☆☆
200869.4187 of 62470.0%★★★★☆
200773.6159 of 61274.0%★★★★☆
200659.0264 of 59655.7%★★★☆☆
200559.8265 of 59055.1%★★★☆☆
200464.9214 of 59263.9%★★★☆☆
200384.261 of 58689.6%★★★★☆

Disabled

YearAvg scoreStatewide rankIllinois percentileRating
202551.0164 of 49166.6%★★★☆☆

Female

YearAvg scoreStatewide rankIllinois percentileRating
202568.2173 of 68574.7%★★★★☆
202465.6189 of 66471.5%★★★★☆
202363.1215 of 65667.2%★★★☆☆
202254.4279 of 65857.6%★★★☆☆
202136.6387 of 63939.4%★★☆☆☆
201945.2363 of 66545.4%★★☆☆☆
201845.8333 of 62046.3%★★☆☆☆

Low Socio Economic Status

YearAvg scoreStatewide rankIllinois percentileRating
202554.6279 of 67258.5%★★★☆☆
202457.3218 of 63965.9%★★★☆☆
202375.397 of 64484.9%★★★★☆
202247.8304 of 62651.4%★★★☆☆
202182.273 of 61188.1%★★★★☆
201950.6288 of 63954.9%★★★☆☆
201849.7276 of 58552.8%★★★☆☆

Male

YearAvg scoreStatewide rankIllinois percentileRating
202551.3306 of 68555.3%★★★☆☆
202442.0362 of 66845.8%★★☆☆☆
202365.9181 of 66872.9%★★★★☆
202262.8206 of 66469.0%★★★☆☆
202167.0173 of 65373.5%★★★★☆
201960.8219 of 67567.6%★★★☆☆
201862.4214 of 61965.4%★★★☆☆

Special Education

YearAvg scoreStatewide rankIllinois percentileRating
202551.3174 of 52767.0%★★★☆☆
202452.3158 of 48267.2%★★★☆☆

White

YearAvg scoreStatewide rankIllinois percentileRating
202544.5279 of 56450.5%★★★☆☆
202437.7312 of 55443.7%★★☆☆☆
202353.0228 of 55759.1%★★★☆☆
202247.6276 of 56050.7%★★★☆☆
202141.4282 of 55349.0%★★☆☆☆
201937.0331 of 55240.0%★★☆☆☆
201843.6286 of 54847.8%★★☆☆☆
How student groups rank statewide ? (each group's percentile vs the same group at other schools — higher is better; the +/- beside each compares the group with this school's overall percentile)
Female (2025)75th percentile+10 vs school
Special Education (2025)67th percentile~ school
Disabled (2025)67th percentile~ school
Low Socio Economic Status (2025)58th percentile-6 vs school
Male (2025)55th percentile-10 vs school
White (2025)51st percentile-14 vs school
By subject vs Illinois (2024-2025) ?
English Language Arts47%-4 vs state
Science45%-4 vs state
Mathematics41%~ state avg

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Frequently Asked Questions about Sullivan High School

Students at Sullivan High School are 92% White, 4% Two or more races, 3% Hispanic.

In the 2024-25 school year, 317 students attended Sullivan High School.

Sullivan High School is fed by the following schools:

Elementary : Sullivan Elementary School
Middle : Sullivan Middle School

Sullivan High School ranks 245th of 698 Illinois high schools. SchoolDigger rates this school 3 stars out of 5.


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SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau, the Illinois Department of Public Health and the Illinois State Board of Education.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that boundaries are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.





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