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Mercer County Junior High School

Q: Is Mercer County Junior High School a good school?

Mercer County Junior High School ranks 914 th of 1368 Illinois middle schools. SchoolDigger rates this school 2 stars out of 5.

Public Grades 6-8

914^th

SchoolDigger Rank ?

of 1,368 Illinois Middle Schools

Better than 33% of Illinois middle schools

Summary

Mercer County Junior High School is a public middle school located in Aledo, Illinois, serving grades 6-8 with a total enrollment of 272 students. The school is part of the Mercer County School District 404, which is ranked 549 out of 811 districts in Illinois and has a 2-star rating from SchoolDigger.

Mercer County Junior High School consistently underperforms the state and district averages in both English Language Arts (ELA) and Mathematics proficiency across all grade levels. For example, in 2024-2025, the school's ELA proficiency rate was 35.3% compared to the state's 53.1%, and its Mathematics proficiency rate was 16.9% compared to the state's 38.5%. The school's performance is particularly low for certain student subgroups, such as White students and students with disabilities, who rank in the bottom 20-30% of Illinois middle schools in these categories. Additionally, Mercer County Junior High School has experienced high chronic absenteeism rates, ranging from 24.9% to 29.4% over the past few years, which are significantly higher than the state average.

In comparison, the nearby schools, such as United Junior High School, Sherrard Junior High School, and Rockridge Junior High School, generally outperform Mercer County Junior High School in academic proficiency, with higher ELA and Mathematics scores across all grade levels. These nearby schools also have lower chronic absenteeism rates and higher spending per student compared to Mercer County Junior High School.

270

Students ?

11.3

Student/teacher ratio ?

$14,262

Per pupil spending ?

49.6%

Free/discounted lunch ?

1002 Sw 6Th St
Aledo, IL 61231-2100

(309) 584-4174

District: Mercer County School District 404

Students who attend Mercer County Junior High School usually attend:

High:

Mercer County High School

Feeder schools for Mercer County Junior High School:

Elementary:	Apollo Elementary School
	New Boston Elementary School

Racial breakdown:

White:

88.5%

Two or more races:

5.9%

African American:

2.6%

See top rated Illinois middle schools

Compare Mercer County Junior High School to nearby middle schools!

At a glance

▼ Ranking trend: Declining — 75th percentile in 2015 → 33rd in 2025

Strengths

✓Small classes — about 11 students per teacher

Worth a look

!Test scores below the Illinois average (34% vs 46% meeting standards)

!Ranking has slipped — down 42 percentile points since 2015

!Some student groups rank well below the school's overall statewide standing

Students meeting standards (2024-2025) ?

This school34%

District avg41%

Illinois avg46%

914^th of 1,368

Illinois public middle schools ?

Bottom 33%▼ down 41 pts since 2015

From top 25% (2015) to bottom 33% (2025)

See the entire ranking list of Illinois Middle Schools →

★★★★★

SchoolDigger rating ?

549^th of 811Mercer County School District 404 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	31.6	914 of 1368	33.2%	★★☆☆☆
2024	30.2	902 of 1363	33.8%	★★☆☆☆
2023	43.1	713 of 1367	47.8%	★★☆☆☆
2022	49.4	600 of 1369	56.2%	★★★☆☆
2021	42.1	621 of 1241	50.0%	★★★☆☆
2019	50.3	619 of 1356	54.4%	★★★☆☆
2018	55.7	522 of 1293	59.6%	★★★☆☆
2017	43.9	687 of 1293	46.9%	★★☆☆☆
2016	54.8	513 of 1294	60.4%	★★★☆☆
2015	67.3	332 of 1302	74.5%	★★★★☆
2014	54.7	610 of 1322	53.9%	★★★☆☆
2013	51.9	669 of 1367	51.1%	★★★☆☆
2012	67.3	476 of 1365	65.1%	★★★☆☆
2011	57.6	660 of 1344	50.9%	★★★☆☆

Disabled

Year	Avg score	Statewide rank	Illinois percentile	Rating
2025	20.2	644 of 694	7.2%	☆☆☆☆☆
2024	23.9	573 of 639	10.3%	★☆☆☆☆
2023	30.7	478 of 674	29.1%	★☆☆☆☆

Female

Year	Avg score	Statewide rank	Illinois percentile	Rating
2025	36.5	771 of 1248	38.2%	★★☆☆☆
2024	33.1	800 of 1251	36.1%	★★☆☆☆
2023	42.9	685 of 1275	46.3%	★★☆☆☆
2022	54.5	476 of 1286	63.0%	★★★☆☆
2021	44.4	512 of 1017	49.7%	★★☆☆☆
2019	51.7	573 of 1276	55.1%	★★★☆☆
2018	50.3	577 of 1226	52.9%	★★★☆☆

Low Socio Economic Status

Year	Avg score	Statewide rank	Illinois percentile	Rating
2025	31.6	855 of 1229	30.4%	★★☆☆☆
2024	28.7	890 of 1219	27.0%	★☆☆☆☆
2023	40.5	704 of 1234	42.9%	★★☆☆☆
2022	43.1	631 of 1221	48.3%	★★☆☆☆
2021	42.4	544 of 1019	46.6%	★★☆☆☆
2019	50.7	544 of 1217	55.3%	★★★☆☆
2018	51.6	491 of 1161	57.7%	★★★☆☆

Male

Year	Avg score	Statewide rank	Illinois percentile	Rating
2025	28.0	878 of 1271	30.9%	★★☆☆☆
2024	27.1	886 of 1264	29.9%	★★☆☆☆
2023	42.1	679 of 1292	47.4%	★★☆☆☆
2022	42.8	648 of 1286	49.6%	★★☆☆☆
2021	33.5	656 of 1048	37.4%	★★☆☆☆
2019	47.6	614 of 1296	52.6%	★★★☆☆
2018	58.3	434 of 1223	64.5%	★★★☆☆

Military Connected

Year	Avg score	Statewide rank	Illinois percentile	Rating
2025	29.4	16 of 21	23.8%	★☆☆☆☆
2024	16.8	11 of 12	8.3%	★☆☆☆☆
2023	33.2	8 of 12	33.3%	★★☆☆☆

Special Education

Year	Avg score	Statewide rank	Illinois percentile	Rating
2025	26.3	589 of 812	27.5%	★☆☆☆☆
2024	20.6	723 of 802	9.9%	☆☆☆☆☆
2023	24.1	665 of 805	17.4%	★☆☆☆☆
2022	37.3	436 of 781	44.2%	★★☆☆☆
2021	36.8	314 of 548	42.7%	★★☆☆☆
2019	30.7	557 of 792	29.7%	★☆☆☆☆
2018	24.6	570 of 602	5.3%	☆☆☆☆☆

White

Year	Avg score	Statewide rank	Illinois percentile	Rating
2025	15.6	792 of 884	10.4%	★☆☆☆☆
2024	14.8	785 of 875	10.3%	★☆☆☆☆
2023	27.1	686 of 895	23.4%	★☆☆☆☆
2022	30.9	637 of 898	29.1%	★☆☆☆☆
2021	29.3	578 of 813	28.9%	★☆☆☆☆
2019	32.2	622 of 905	31.3%	★★☆☆☆
2018	38.6	554 of 889	37.7%	★★☆☆☆

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)38th percentile+5 vs school

Male (2025)31st percentile~ school

Low Socio Economic Status (2025)30th percentile-3 vs school

Special Education (2025)27th percentile-6 vs school

Military Connected (2025)24th percentile-9 vs school

White (2025)10th percentile-23 vs school

Disabled (2025)7th percentile-26 vs school

By subject vs Illinois (2024-2025) ?

Science51%+6 vs state

English Language Arts35%-18 vs state

Mathematics17%-22 vs state

★

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Schools Near Mercer County Junior High School

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

School													Students/Teachers											Ranking (2025)				Ranking (2024)				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	ISA Science 5th Grade	ISA Science 8th Grade	IAR English Language Arts 5th 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 5th Grade	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
Mercer County Junior High School	Public	6-8	1002 Sw 6Th St	Aledo	61231	Mercer County	Mercer County School District 404	No	(n/a)	No	No	(309) 584-4174	270	24	11.3	49.6%	239 (88.5%)	7 (2.6%)	5 (1.9%)	3 (1.1%)	0 (0.0%)	0 (0.0%)	16 (5.9%)	31.6	914^th of 1368 public middle schools	33.2%		30.2	902^nd of 1363 public middle schools	33.8%	12		51.3		40.2	31.4	33.8	35.3		16.3	24.4	9.1	16.9	94.9	94.9	94.9	94.9	93.8	94.5	94.9	94.1	$14,262	$676	$13,585
Matherville Intermediate School	Public	5-6	1376 252nd St	Matherville	61263	Mercer County	Sherrard CUSD 200	No	(n/a)	No	No	(309) 754-8244	182	13	13.5	30.8%	158 (86.8%)	2 (1.1%)	16 (8.8%)	1 (0.5%)	0 (0.0%)	0 (0.0%)	5 (2.7%)								(n/a)	40.2		49.4	48.3			48.9	31.0	25.8			28.4	99.0	99.0	99.0	99.0	99.5	99.0	99.0	48.7	$12,962	$56	$12,906
Rockridge Junior High School	Public	6-8	14110 134th Ave W	Taylor Ridge	61284	Rock Island County	Rockridge CUSD 300	No	(n/a)	No	No	(309) 793-8040	234	17	13.4	21.8%	222 (94.9%)	0 (0.0%)	5 (2.1%)	1 (0.4%)	0 (0.0%)	0 (0.0%)	6 (2.6%)	55	555^th of 1368 public middle schools	59.4%		57.9	483^rd of 1363 public middle schools	64.6%	72		53.2		48.7	54.3	45.5	49.6		27.6	38.8	35.1	33.9	98.8	98.8	98.8	98.8	64.1	98.8	98.8	96.3	$12,967	$400	$12,567
Sherrard Junior High School	Public	7-8	4701 176th Ave	Sherrard	61281	Rock Island County	Sherrard CUSD 200	No	(n/a)	No	No	(309) 593-2135	189	16	11.5	35.4%	169 (89.4%)	0 (0.0%)	14 (7.4%)	0 (0.0%)	0 (0.0%)	1 (0.5%)	5 (2.6%)	49.2	633^rd of 1368 public middle schools	53.7%		38.1	774^th of 1363 public middle schools	43.2%	141		58.6			44.4	45.5	44.9			37.4	18.2	28.3	99.0	99.0	99.0	99.0	99.0	99.0	99.0	98.6	$12,116	$56	$12,060
United Intermediate School	Public	4-6	2140 State Highway 135	Monmouth	61462	Warren County	United CUSD 304	No	(n/a)	No	(n/a)	(309) 734-8511	198	17	11.4	44.4%	172 (86.9%)	5 (2.5%)	15 (7.6%)	3 (1.5%)	1 (0.5%)	0 (0.0%)	2 (1.0%)								(n/a)

Frequently Asked Questions about Mercer County Junior High School

How many students attend Mercer County Junior High School?

In the 2024-25 school year, 270 students attended Mercer County Junior High School.

What is the racial makeup of Mercer County Junior High School?

Students at Mercer County Junior High School are 89% White, 6% Two or more races, 3% African American, 2% Hispanic, 1% Asian.

Is Mercer County Junior High School a good school?

Mercer County Junior High School ranks 914^th of 1368 Illinois middle schools. SchoolDigger rates this school 2 stars out of 5.

What district is Mercer County Junior High School in?

Mercer County School District 404

What high school do graduates of Mercer County Junior High School attend?

Students who attend Mercer County Junior High School usually go on to attend Mercer County High School

Rate Mercer County Junior High School!

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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.