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Northbrook School

Q: Is Northbrook School a good school?

Northbrook School ranks 629 th of 1368 Illinois middle schools. SchoolDigger rates this school 3 stars out of 5.

Public Grades 5-8

629^th

SchoolDigger Rank ?

of 1,368 Illinois Middle Schools

Better than 54% of Illinois middle schools

Summary

Northbrook School is a public middle school serving grades 5-8 in Mendota, Illinois, with 481 students. It is part of the Mendota CCSD 289 district, which is ranked 564 out of 811 districts in the state and has a 2-star rating from SchoolDigger.

Northbrook School's test scores are generally higher than the district and state averages, particularly in English Language Arts, with 55.8% of students proficient or better compared to 49.9% for the district and 53.1% for the state. However, the school lags behind in math, with only 28.1% of students proficient or better compared to 30.7% for the district and 38.5% for the state. Northbrook School also struggles with high chronic absenteeism rates, ranging from 19.8% to 26.3% over the past few years, significantly higher than the state average of around 15-17%.

Compared to nearby schools, Northbrook School's performance is generally better than Washington Elementary School and Lincoln Junior High School, but Amboy Junior High School and Parkside Middle School outperform Northbrook School in several key metrics, including higher test scores and lower chronic absenteeism. Overall, Northbrook School faces significant challenges, including declining performance over the past few years, and addressing these issues will be crucial for improving outcomes for its students.

526

Students ?

13.8

Student/teacher ratio ?

$16,233

Per pupil spending ?

58.6%

Free/discounted lunch ?

1804 Guiles Ave
Mendota, IL 61342-1204

(815) 539-6237

District: Mendota CCSD 289

Students who attend Northbrook School usually attend:

High:

Mendota Township High School

Feeder schools for Northbrook School:

Elementary:	Blackstone Elementary School
	Lincoln Elementary School

Racial breakdown:

White:

54.0%

Hispanic:

40.1%

Two or more races:

3.0%

See top rated Illinois middle schools

Compare Northbrook School to nearby middle schools!

At a glance

▬ Ranking trend: Holding steady — 50th percentile in 2015 → 54th in 2025

Strengths

✓Above the Illinois median (54th percentile)

Worth a look

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

!Mathematics scores 10 pts below the Illinois average

Students meeting standards (2024-2025) ?

This school43%

District avg42%

Illinois avg44%

629^th of 1,368

Illinois public middle schools ?

Top 46%▲ up 4 pts since 2015

From top 50% (2015) to top 46% (2025)

See the entire ranking list of Illinois Middle Schools →

★★★★★

SchoolDigger rating ?

564^th of 811Mendota CCSD 289 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	49.6	629 of 1368	54.0%	★★★☆☆
2024	44.2	685 of 1363	49.7%	★★☆☆☆
2023	49.1	607 of 1367	55.6%	★★★☆☆
2022	49.3	602 of 1369	56.0%	★★★☆☆
2021	40.9	644 of 1241	48.1%	★★☆☆☆
2019	67.7	386 of 1356	71.5%	★★★★☆
2018	61.9	429 of 1293	66.8%	★★★☆☆
2017	47.0	638 of 1293	50.7%	★★★☆☆
2016	57.2	479 of 1294	63.0%	★★★☆☆
2015	43.7	652 of 1302	49.9%	★★★☆☆
2014	36.6	878 of 1322	33.6%	★★☆☆☆
2013	40.2	856 of 1367	37.4%	★★☆☆☆
2012	53.9	730 of 1365	46.5%	★★☆☆☆
2011	56.0	695 of 1344	48.3%	★★☆☆☆
2009	56.7	675 of 1318	48.8%	★★☆☆☆
2008	56.8	677 of 1293	47.6%	★★☆☆☆
2007	56.6	658 of 1287	48.9%	★★☆☆☆
2006	59.3	595 of 1272	53.2%	★★★☆☆
2005	66.2	482 of 1209	60.1%	★★★☆☆
2004	62.7	508 of 1204	57.8%	★★★☆☆
2003	57.2	569 of 1185	52.0%	★★★☆☆

Disabled

Year	Avg score	Statewide rank	Illinois percentile	Rating
2025	44.0	313 of 694	54.9%	★★★☆☆
2024	38.1	351 of 639	45.1%	★★☆☆☆
2023	46.7	277 of 674	58.9%	★★★☆☆

English Language Learner

Year	Avg score	Statewide rank	Illinois percentile	Rating
2025	44.3	238 of 483	50.7%	★★★☆☆
2024	50.0	159 of 486	67.3%	★★★☆☆
2023	51.3	148 of 480	69.2%	★★★☆☆
2022	71.3	40 of 454	91.2%	★★★★★
2021	53.1	68 of 277	75.5%	★★★★☆
2019	54.0	88 of 339	74.0%	★★★★☆
2018	36.3	189 of 285	33.7%	★★☆☆☆

Female

Year	Avg score	Statewide rank	Illinois percentile	Rating
2025	49.1	590 of 1248	52.7%	★★★☆☆
2024	51.2	538 of 1251	57.0%	★★★☆☆
2023	46.6	614 of 1275	51.8%	★★★☆☆
2022	48.4	576 of 1286	55.2%	★★★☆☆
2021	39.3	564 of 1017	44.5%	★★☆☆☆
2019	72.6	301 of 1276	76.4%	★★★★☆
2018	64.8	375 of 1226	69.4%	★★★☆☆

Hispanic

Year	Avg score	Statewide rank	Illinois percentile	Rating
2025	43.9	339 of 669	49.3%	★★☆☆☆
2024	45.6	304 of 643	52.7%	★★★☆☆
2023	41.0	361 of 661	45.4%	★★☆☆☆
2022	53.7	238 of 662	64.0%	★★★☆☆
2021	39.5	300 of 517	42.0%	★★☆☆☆
2019	58.2	219 of 639	65.7%	★★★☆☆
2018	53.0	238 of 590	59.7%	★★★☆☆

Low Socio Economic Status

Year	Avg score	Statewide rank	Illinois percentile	Rating
2025	50.6	565 of 1229	54.0%	★★★☆☆
2024	46.8	576 of 1219	52.7%	★★★☆☆
2023	44.0	643 of 1234	47.9%	★★☆☆☆
2022	59.4	370 of 1221	69.7%	★★★☆☆
2021	47.8	451 of 1019	55.7%	★★★☆☆
2019	67.1	289 of 1217	76.3%	★★★★☆
2018	61.9	336 of 1161	71.1%	★★★★☆

Male

Year	Avg score	Statewide rank	Illinois percentile	Rating
2025	48.2	600 of 1271	52.8%	★★★☆☆
2024	36.9	727 of 1264	42.5%	★★☆☆☆
2023	50.8	547 of 1292	57.7%	★★★☆☆
2022	50.3	547 of 1286	57.5%	★★★☆☆
2021	37.8	597 of 1048	43.0%	★★☆☆☆
2019	61.2	438 of 1296	66.2%	★★★☆☆
2018	56.5	469 of 1223	61.7%	★★★☆☆

Special Education

Year	Avg score	Statewide rank	Illinois percentile	Rating
2025	29.4	546 of 812	32.8%	★★☆☆☆
2024	25.5	634 of 802	20.9%	★☆☆☆☆
2023	31.5	528 of 805	34.4%	★★☆☆☆
2022	44.5	317 of 781	59.4%	★★★☆☆
2021	32.8	367 of 548	33.0%	★★☆☆☆
2019	50.9	264 of 792	66.7%	★★★☆☆
2018	33.7	382 of 602	36.5%	★★☆☆☆

White

Year	Avg score	Statewide rank	Illinois percentile	Rating
2025	43.0	510 of 884	42.3%	★★☆☆☆
2024	31.1	614 of 875	29.8%	★★☆☆☆
2023	43.2	491 of 895	45.1%	★★☆☆☆
2022	35.0	579 of 898	35.5%	★★☆☆☆
2021	33.5	538 of 813	33.8%	★★☆☆☆
2019	65.0	287 of 905	68.3%	★★★☆☆
2018	59.3	326 of 889	63.3%	★★★☆☆

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)

Disabled (2025)55th percentile~ school

Low Socio Economic Status (2025)54th percentile~ school

Male (2025)53rd percentile~ school

Female (2025)53rd percentile~ school

English Language Learner (2025)51st percentile-3 vs school

Hispanic (2025)49th percentile-5 vs school

White (2025)42nd percentile-12 vs school

Special Education (2025)33rd percentile-21 vs school

By subject vs Illinois (2024-2025) ?

English Language Arts56%+3 vs state

Science44%~ state avg

Mathematics28%-10 vs state

★

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Schools Near Northbrook 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)	% Pneumococcal (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	% Pneumococcal All Grades	% Meningococcal All Grades	Per Pupil Expenditures Total	Sub-total from Federal Funds	Sub-total from State/Local Funds
Northbrook School	Public	5-8	1804 Guiles Ave	Mendota	61342	LaSalle County	Mendota CCSD 289	No	(n/a)	No	Yes	(815) 539-6237	526	38	13.8	58.6%	284 (54.0%)	12 (2.3%)	211 (40.1%)	0 (0.0%)	1 (0.2%)	0 (0.0%)	16 (3.0%)	49.6	629^th of 1368 public middle schools	54.0%		44.2	685^th of 1363 public middle schools	49.7%	56	37.4	49.6	54.2	37.6	68.0	57.8	55.8	39.3	14.1	34.4	21.6	28.1	98.9	99.6	99.6	99.6	99.4	98.9	99.4	7.8	72.3	$16,233	$804	$15,429
Paw Paw Junior High School	Public	6-8	511 Chapman St	Paw Paw	61353	Lee County	Paw Paw CUSD 271	No	(n/a)	No	(n/a)	(815) 627-2841	42	6	7.3	52.4%	35 (83.3%)	1 (2.4%)	6 (14.3%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	47.3	662^nd of 1368 public middle schools	51.6%					(n/a)		58.3		42.9		66.7	51.2		9.1		16.7	19.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0		100.0	$22,412	$1,307	$21,105
Lincoln Junior High School	Public	6-8	1165 Saint Vincents Ave	La Salle	61301	LaSalle County	La Salle Education Service District 122	No	(n/a)	No	Yes	(815) 223-0786	269	23	11.6	75.1%	142 (52.8%)	20 (7.4%)	87 (32.3%)	1 (0.4%)	0 (0.0%)	0 (0.0%)	19 (7.1%)	19.7	1120^th of 1368 public middle schools	18.1%		11.6	1301^st of 1363 public middle schools	4.5%	181		37.8		33.7	22.5	26.2	27.4		12.4	6.7	7.3	8.8	99.2	98.5	98.5	98.5	99.6	98.1	99.2		96.6	$15,864	$1,817	$14,048
Parkside Middle School	Public	5-8	1800 Church St	Peru	61354	LaSalle County	Peru Education Service District 124	No	(n/a)	No	No	(815) 223-1111	372	29	12.8	54.6%	254 (68.3%)	14 (3.8%)	72 (19.4%)	5 (1.3%)	0 (0.0%)	0 (0.0%)	27 (7.3%)	59.6	494^th of 1368 public middle schools	63.9%		57.9	482^nd of 1363 public middle schools	64.6%	12	37.8	58.0	56.1	52.6	57.0	64.2	57.2	29.6	27.8	37.2	25.9	30.1	97.8	98.0	98.0	98.0	98.0	98.0	98.0		67.3	$13,626	$794	$12,832
Amboy Junior High School	Public	5-8	240 N Metcalf Ave	Amboy	61310	Lee County	Amboy CUSD 272	No	(n/a)	No	No	(815) 857-3528	210	18	12.0	47.1%	185 (88.1%)	0 (0.0%)	20 (9.5%)	1 (0.5%)	0 (0.0%)	0 (0.0%)	4 (1.9%)	45.9	680^th of 1368 public middle schools	50.3%		37.7	783^rd of 1363 public middle schools	42.6%	103	42.1	18.6	52.6	50.9	42.9	55.8	50.5	42.1	37.7	42.9	16.3	35.6	100.0	100.0	100.0	100.0	100.0	100.0	100.0		100.0	$16,483	$308	$16,175
Washington Elementary School	Public	6-8	212 W Walnut St	Oglesby	61348	LaSalle County	Oglesby Education Service District 125	No	(n/a)	No	No	(815) 883-3517	116	9	12.8	46.6%	91 (78.4%)	0 (0.0%)	18 (15.5%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	7 (6.0%)	56.3	531^st of 1368 public middle schools	61.2%		40.5	739^th of 1363 public middle schools	45.8%	208		40.0		68.4	39.5	73.8	61.0		36.8	26.3	26.8	29.9	100.0	100.0	100.0	100.0	100.0	100.0	100.0		97.5	$16,275	$964	$15,311
LaSalle County Detention Center 6-8	Public	6-8	707 Etna Rd	Ottawa	61350	LaSalle County	Wallace CCSD 195	No	(n/a)	No	(n/a)	(815) 434-8300	0	0			0 ()	0 ()	0 ()	0 ()	0 ()	0 ()	0 ()								(n/a)

Frequently Asked Questions about Northbrook School

What is the racial makeup of Northbrook School?

Students at Northbrook School are 54% White, 40% Hispanic, 3% Two or more races, 2% African American.

What high school do graduates of Northbrook School attend?

Students who attend Northbrook School usually go on to attend Mendota Township High School

How many students attend Northbrook School?

In the 2024-25 school year, 526 students attended Northbrook School.

Is Northbrook School a good school?

Northbrook School ranks 629^th of 1368 Illinois middle schools. SchoolDigger rates this school 3 stars out of 5.

What district is Northbrook School in?

Mendota CCSD 289

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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.