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Illini Central High School

Q: Is Illini Central High School a good school?

Illini Central High School ranks 386 th of 698 Illinois high schools. SchoolDigger rates this school 2 stars out of 5.

Public Grades 9-12

386^th

SchoolDigger Rank ?

of 698 Illinois High Schools

Better than 45% of Illinois high schools

Summary

Illini Central High School is a public high school located in Mason City, Illinois, serving grades 9-12 with a total enrollment of 190 students. The school is part of the Illini Central CUSD 189 district, which is ranked 588 out of 811 districts in Illinois and has a 1-star rating from SchoolDigger.

Illini Central High School has consistently ranked in the bottom half of Illinois high schools, with rankings ranging from 218 to 550 out of 699-701 schools over the past 8 years. The school's performance on standardized tests is below the state average, with only 42.9% of 11th-grade students proficient or better in ACT/English Language Arts, compared to the state average of 51.7%. Additionally, the school's performance on the SAT is particularly low, with only 7% of 11th-grade students proficient or better in Mathematics and 16.3% in English Language Arts, compared to the state averages of 26.1% and 31.1%, respectively. Illini Central High School's four-year graduation rate has fluctuated between 81% and 89%, which is slightly below the state average, and its dropout rate has ranged from 2.4% to 3.4%, which is higher than the state average.

Compared to nearby high-performing schools, such as Williamsville High School, Lincoln Community High School, and Havana High School, Illini Central High School has significant room for improvement. These nearby schools generally outperform Illini Central High School on academic measures, with higher test scores, graduation rates, and lower dropout rates. To address these challenges, the school and district may need to implement targeted interventions and focus on addressing the needs of underperforming subgroups.

172

Students ?

8.2

Student/teacher ratio ?

$20,291

Per pupil spending ?

38.4%

Free/discounted lunch ?

208 N West Ave
Mason City, IL 62664-1066

(217) 482-5180

District: Illini Central CUSD 189

Feeder schools for Illini Central High School:

Elementary:	Illini Central Grade School
Middle:	Illini Central Middle School

Racial breakdown:

White:

95.9%

Two or more races:

2.3%

Hispanic:

1.7%

See top rated Illinois high schools

Compare Illini Central High School to nearby high schools!

At a glance

▼ Ranking trend: Recently slipping — 69th percentile in 2023 → 45th in 2025

Strengths

✓Small classes — about 8 students per teacher

Worth a look

!Test scores below the Illinois average (39% vs 48% meeting standards)

!Graduation rate below the Illinois average (81% vs 89%)

!Ranking has slipped from its 69th-percentile peak (2023) to 45th (2025)

Students meeting standards (2024-2025) ?

This school39%

District avg39%

Illinois avg48%

386^th of 698

Illinois public high schools ?

Bottom 45%▲ up 31 pts since 2015

From bottom 13% (2015) to bottom 45% (2025)

See the entire ranking list of Illinois High Schools →

★★★★★

SchoolDigger rating ?

588^th of 811Illini Central CUSD 189 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

Year	Avg score	Statewide rank	Illinois percentile	Rating
2025	45.8	386 of 698	44.7%	★★☆☆☆
2024	27.1	496 of 697	28.8%	★☆☆☆☆
2023	63.4	218 of 699	68.8%	★★★☆☆
2022	52.3	324 of 699	53.6%	★★★☆☆
2021	20.8	550 of 688	20.1%	★☆☆☆☆
2019	27.0	521 of 701	25.7%	★☆☆☆☆
2018	22.1	524 of 647	19.0%	★☆☆☆☆
2017	29.1	479 of 642	25.4%	★☆☆☆☆
2015	17.6	532 of 614	13.4%	★☆☆☆☆
2014	36.8	457 of 670	31.8%	★★☆☆☆
2013	47.9	390 of 670	41.8%	★★☆☆☆
2012	46.8	401 of 665	39.7%	★★☆☆☆
2011	37.5	457 of 655	30.2%	★★☆☆☆
2010	22.9	517 of 643	19.6%	★☆☆☆☆
2009	33.4	470 of 632	25.6%	★☆☆☆☆
2008	37.8	449 of 624	28.0%	★☆☆☆☆
2007	60.0	267 of 612	56.4%	★★★☆☆
2006	43.9	392 of 596	34.2%	★★☆☆☆
2005	36.6	448 of 590	24.1%	★☆☆☆☆
2004	19.1	503 of 592	15.0%	★☆☆☆☆
2003	57.4	282 of 586	51.9%	★★★☆☆

Female

Year	Avg score	Statewide rank	Illinois percentile	Rating
2025	39.8	427 of 685	37.7%	★★☆☆☆
2024	38.7	383 of 664	42.3%	★★☆☆☆
2023	57.6	255 of 656	61.1%	★★★☆☆
2022	36.3	425 of 658	35.4%	★★☆☆☆
2021	36.6	388 of 639	39.3%	★★☆☆☆
2019	33.9	443 of 665	33.4%	★★☆☆☆
2018	29.2	459 of 620	26.0%	★☆☆☆☆

Low Socio Economic Status

Year	Avg score	Statewide rank	Illinois percentile	Rating
2025	46.9	358 of 672	46.7%	★★☆☆☆
2024	19.1	539 of 639	15.6%	★☆☆☆☆
2023	49.0	297 of 644	53.9%	★★★☆☆
2022	25.0	492 of 626	21.4%	★☆☆☆☆
2021	12.2	580 of 611	5.1%	☆☆☆☆☆
2019	39.1	390 of 639	39.0%	★★☆☆☆
2018	34.1	414 of 585	29.2%	★☆☆☆☆

Male

Year	Avg score	Statewide rank	Illinois percentile	Rating
2025	49.2	325 of 685	52.6%	★★★☆☆
2024	13.2	600 of 668	10.2%	★☆☆☆☆
2023	66.2	177 of 668	73.5%	★★★★☆
2022	67.4	174 of 664	73.8%	★★★★☆
2021	8.6	626 of 653	4.1%	☆☆☆☆☆
2019	20.9	542 of 675	19.7%	★☆☆☆☆
2018	13.7	539 of 619	12.9%	★☆☆☆☆

Special Education

Year	Avg score	Statewide rank	Illinois percentile	Rating
2025	43.3	215 of 527	59.2%	★★★☆☆
2024	20.8	377 of 482	21.8%	★☆☆☆☆
2023	47.7	177 of 476	62.8%	★★★☆☆
2018	27.2	248 of 374	33.7%	★☆☆☆☆

White

Year	Avg score	Statewide rank	Illinois percentile	Rating
2025	27.8	425 of 564	24.6%	★☆☆☆☆
2024	16.6	491 of 554	11.4%	★☆☆☆☆
2023	50.5	242 of 557	56.6%	★★★☆☆
2022	34.4	371 of 560	33.8%	★★☆☆☆
2021	11.9	523 of 553	5.4%	☆☆☆☆☆
2019	15.0	509 of 552	7.8%	☆☆☆☆☆
2018	12.6	507 of 548	7.5%	☆☆☆☆☆

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)

Special Education (2025)59th percentile+15 vs school

Male (2025)53rd percentile+8 vs school

Low Socio Economic Status (2025)47th percentile~ school

Female (2025)38th percentile-7 vs school

White (2025)25th percentile-20 vs school

By subject vs Illinois (2024-2025) ?

English Language Arts43%-9 vs state

Mathematics24%-16 vs state

Science24%-25 vs state

★

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Schools Near Illini Central High School

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Ranking:

E Elementary M Middle H High A Alternative P Private

Choose columns to see: Summary School Students/Teachers Ranking Test Scores Immunizations Finance All

School													Students/Teachers											Ranking (2025)				Ranking (2024)				PreACT Secure English Language Arts (2025)		PreACT Secure Mathematics (2025)		PreACT Secure Science (2025)		ACT English Language Arts (2025)	ACT Mathematics (2025)	ACT Science (2025)	ISA Science (2025)	IAR English Language Arts (2025)				IAR Mathematics (2025)				% Polio (2024)	% Measles (2024)	% Mumps (2024)	% Rubella (2024)	% Hepatitis B (2024)	% Varicella (2024)	% DTP (2024)	% Meningococcal (2024)	Per Pupil Expenditures (2025)
Name	Type	Grades	Address	City	Zip	County	District	Is Charter	Is Magnet	Is Virtual	Is Title I	Phone	Enrollment	Full-time Teachers	Student/ Teacher Ratio	Free/Discounted Lunch Recipients	White	Black	Hispanic	Asian	American Indian	Pacific Islander	Two or More Races	Average Standard Score (2025)	Statewide Rank (2025)	State Percentile (2025)	SchoolDigger Rating (2025)	Average Standard Score (2024)	Statewide Rank (2024)	State Percentile (2024)	Rank Change from Previous Year	PreACT Secure English Language Arts 9th Grade	PreACT Secure English Language Arts 10th Grade	PreACT Secure Mathematics 9th Grade	PreACT Secure Mathematics 10th Grade	PreACT Secure Science 9th Grade	PreACT Secure Science 10th Grade	ACT English Language Arts 11th Grade	ACT Mathematics 11th Grade	ACT Science 11th Grade	ISA Science 8th Grade	IAR English Language Arts 6th Grade	IAR English Language Arts 7th Grade	IAR English Language Arts 8th Grade	IAR English Language Arts All Grades	IAR Mathematics 6th Grade	IAR Mathematics 7th Grade	IAR Mathematics 8th Grade	IAR Mathematics All Grades	% Polio All Grades	% Measles All Grades	% Mumps All Grades	% Rubella All Grades	% Hepatitis B All Grades	% Varicella All Grades	% DTP All Grades	% Meningococcal All Grades	Per Pupil Expenditures Total	Sub-total from Federal Funds	Sub-total from State/Local Funds
Illini Central High School	Public	9-12	208 N West Ave	Mason City	62664	Mason County	Illini Central CUSD 189	No	(n/a)	No	Yes	(217) 482-5180	172	21	8.2	38.4%	165 (95.9%)	0 (0.0%)	3 (1.7%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	4 (2.3%)	45.8	386^th of 698 public high schools	44.7%		27.1	496^th of 697 public high schools	28.8%	110	52.3	55.6	31.8	24.4	43.2	51.1	42.9	23.8	23.8										98.3	98.3	98.3	98.3	98.3	98.3	98.3	96.7	$20,291	$669	$19,622
Greenview Junior/Senior High School	Public	6-12	147 E Palmer St	Greenview	62642	Menard County	Greenview CUSD 200	No	(n/a)	No	(n/a)	(217) 968-2295	107	12	8.9	35.5%	106 (99.1%)	0 (0.0%)	1 (0.9%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	47.3	372^nd of 698 public high schools	46.7%		29.2	477^th of 697 public high schools	31.6%	105	70.8	54.5	25.0	27.3	37.5	45.5	40.0	15.0	40.0	26.7	58.3	30.0	46.7	45.9	41.7	20.0	33.3	32.4	99.1	99.1	99.1	99.1	99.1	99.1	99.1	99.1	$18,258	$1,572	$16,686
Delavan High School	Public	9-12	907 Locust St	Delavan	61734	Tazewell County	Delavan CUSD 703	No	(n/a)	No	No	(309) 244-8285	129	11	11.9	29.5%	124 (96.1%)	1 (0.8%)	0 (0.0%)	2 (1.6%)	0 (0.0%)	0 (0.0%)	2 (1.6%)	79.9	112^th of 698 public high schools	84.0%		43.4	368^th of 697 public high schools	47.2%	256	70.8	63.2	37.5	26.3	75.0	57.9	77.3	54.5	77.3										97.1	96.4	96.4	96.4	97.1	96.4	94.3	95.7	$14,866	$425	$14,440
Hartsburg-Emden Junior-Senior High School	Public	6-12	400 W Front St	Hartsburg	62643	Logan County	Hartsburg Emden CUSD 21	No	(n/a)	No	Yes	(217) 642-5244	85	9	9.1	44.7%	82 (96.5%)	1 (1.2%)	2 (2.4%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	57.1	272^nd of 698 public high schools	61.0%		44.9	353^rd of 697 public high schools	49.4%	81		45.5		27.3		45.5	50.0	40.0	50.0		58.3	42.9		48.6	25.0	23.1		17.6	86.4	87.5	87.5	87.5	93.2	83.0	79.6	75.0	$22,005	$678	$21,327
Midwest Central High School	Public	9-12	910 S Washington St	Manito	61546	Mason County	Midwest Central CUSD 191	No	(n/a)	No	No	(309) 968-6766	235	22	10.7	47.7%	221 (94.0%)	3 (1.3%)	7 (3.0%)	0 (0.0%)	0 (0.0%)	1 (0.4%)	3 (1.3%)	50.7	337^th of 698 public high schools	51.7%		35.5	431^st of 697 public high schools	38.2%	94	56.4	50.8	29.1	30.5	34.5	37.3	54.5	35.7	45.5										99.2	99.2	99.2	99.2	99.2	99.2	99.2	99.2	$16,124	$622	$15,502
Porta High School	Public	7-12	17651 Bluejay Rd	Petersburg	62675	Menard County	Porta CUSD 202	No	(n/a)	No	No	(217) 632-3216	411	32	12.8	47.0%	381 (92.7%)	8 (1.9%)	4 (1.0%)	3 (0.7%)	0 (0.0%)	0 (0.0%)	15 (3.6%)	52.1	324^th of 698 public high schools	53.6%		49.3	315^th of 697 public high schools	54.8%	9	51.4	52.9	21.4	30.9	44.3	45.6	56.5	29.0	47.8	26.0		48.1	33.3	39.7		27.8	13.7	19.7	95.8	95.8	95.8	95.8	96.1	95.8	94.9	91.7	$16,151	$739	$15,412
Athens Senior High School	Public	9-12	501 Warrior Way	Athens	62613	Menard County	Athens CUSD 213	No	(n/a)	No	No	(217) 636-8314	299	22	13.3	30.8%	274 (91.6%)	4 (1.3%)	7 (2.3%)	4 (1.3%)	0 (0.0%)	0 (0.0%)	10 (3.3%)	60.2	248^th of 698 public high schools	64.5%		63.3	206^th of 697 public high schools	70.4%	42	65.8	66.2	38.2	37.7	47.4	51.9	36.0	32.0	40.0										96.9	96.9	96.9	96.9	96.5	96.5	96.9	93.7	$13,199	$271	$12,928
Lincolnland Technical Educational Center	Public	11-12	1000 Railer Way	Lincoln	62656	Logan County	DeWitt/Livingstn/Logan/McLean ROE	No	(n/a)	No	(n/a)	(217) 732-4131	0	0			0 ()	0 ()	0 ()	0 ()	0 ()	0 ()	0 ()								(n/a)
Lincoln Community High School	Public	9-12	1000 Railer Way	Lincoln	62656	Logan County	Lincoln CHSD 404	No	(n/a)	No	Yes	(217) 732-4131	764	58	13.0	52.2%	653 (85.5%)	16 (2.1%)	37 (4.8%)	4 (0.5%)	0 (0.0%)	0 (0.0%)	54 (7.1%)	49.7	348^th of 698 public high schools	50.1%		56	251^st of 697 public high schools	64.0%	97	62.7	50.5	30.2	25.7	44.9	42.5	48.9	29.3	33.3										100.0	100.0	100.0	100.0	100.0	100.0	100.0	99.6	$16,722	$610	$16,111
Havana High School	Public	9-12	501 S McKinley St	Havana	62644	Mason County	Havana CUSD 126	No	(n/a)	No	Yes	(309) 543-3337	249	22	11.4	47.0%	236 (94.8%)	0 (0.0%)	1 (0.4%)	1 (0.4%)	5 (2.0%)	0 (0.0%)	5 (2.0%)	41.3	428^th of 698 public high schools	38.7%		49.9	313^th of 697 public high schools	55.1%	115	70.1	41.1	35.8	10.7	44.8	26.8	42.1	28.1	28.1										99.6	99.6	99.6	99.6	99.6	99.6	99.6	98.5	$15,265	$412	$14,853

Frequently Asked Questions about Illini Central High School

What district is Illini Central High School in?

Illini Central CUSD 189

What is the racial makeup of Illini Central High School?

Students at Illini Central High School are 96% White, 2% Two or more races, 2% Hispanic.

Is Illini Central High School a good school?

Illini Central High School ranks 386^th of 698 Illinois high schools. SchoolDigger rates this school 2 stars out of 5.

How many students attend Illini Central High School?

In the 2024-25 school year, 172 students attended Illini Central High School.

What schools feed into Illini Central High School?

Illini Central High School is fed by the following schools:

Elementary : Illini Central Grade School
Middle : Illini Central Middle School

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Latest Illinois data All new data »

2024–25 school spending dataOct 30, 2025

2024–25 attendance data, dropout rates & graduation ratesOct 30, 2025

2024–25 ACT, IAR, ISA & PreACT Secure test scoresOct 30, 2025

2023–24 school spending dataOct 30, 2024

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.