Below Average
#3667 of 3,813 schools in IL
Northbrook School
Middle School · Mendota CCSD 289
1804 Guiles Ave, Mendota, IL 61342
Enrollment
481
Student-Teacher
13.7:1
Score
4.0
Grades
5th – 8th
Enrollment
481
Student-Teacher
13.7:1
Score
4.0
Grades
5th – 8th
Updated
2022-23
Updated 2022-23
How this school compares
In Mendota
#4 of 4
public schools
Illinois middle schools
#670 of 684
In district
#3 of 3
Mendota CCSD 289
About Northbrook School
Northbrook School is a middle school located in Mendota, Illinois, serving students from fifth to eighth grade. With an enrollment of 481 students and a student-teacher ratio of 13.7:1, Northbrook offers personalized attention that helps support each student's learning needs. The school has 35 full-time equivalent teachers dedicated to fostering growth and development in their classrooms.
Academically, Northbrook School ranks at the 25th percentile among Illinois schools with a MySchoolScout Rating of 4.3 out of 10. Students perform at a level where 31% are proficient or above in ELA/Reading and 22% are proficient or above in Math. These scores indicate areas for improvement but also highlight the potential for academic growth.
Northbrook School is situated in a town setting, offering a close-knit community atmosphere that encourages involvement from both students and parents.
Score Breakdown
Full Profile · 3/3 metricsView breakdown
View breakdown
View breakdown
Northbrook School — Students at Northbrook School score 18% proficient, which is below what's typical for similar communities (expected: 20%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
63.8%
Students qualifying for federal meal assistance
Test Scores IL EDFACTS (2021-22)
Based on 5 test records from IL state assessments. About our data
Proficiency Trend
↓ DecliningAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 2.0/10.
How Northbrook School Compares
See how Northbrook School performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has declined from 34% (2019) to 10% (2021). Reading/ELA proficiency has declined from 42% (2019) to 26% (2022).
Location
1804 Guiles Ave, Mendota, IL 61342
Nearby Alternatives
Families considering Northbrook School may also want to explore other middle schools in the area. Lincoln Jr High School (rated 6.4/10, 15.3 miles away, in nearby La Salle), which scores notably higher. Additionally, Parkside Middle School (rated 5.8/10, 15.5 miles away, in nearby Peru), which scores notably higher. For more schools in Mendota, see our Mendota schools guide .
Nearby Schools
20 within 15.8 mi| School | Distance | Rating |
|---|---|---|
| HOLY CROSS ELEMENTARY SCHOOL Mendota | 0.8 mi | 7.0 |
| Lincoln Elem School Mendota | 0.8 mi | 5.0 |
| Blackstone Elem School Mendota | 1.0 mi | 5.8 |
| Mendota Twp High School Mendota | 1.1 mi | 5.0 |
| Dimmick Comm Cons SD 175 La Salle | 10.2 mi | 5.5 |
| Allen School School La Moille | 8.6 mi | 5.7 |
| La Moille Jr/Sr High School La Moille | 8.7 mi | 5.7 |
| Paw Paw Elem School Paw Paw | 11.6 mi | 8.1 |
| Paw Paw Junior High School Paw Paw | 11.6 mi | — |
| Earlville Jr/Sr High School Earlville | 10.1 mi | 5.9 |
| Earlville Elem School Earlville | 10.1 mi | 5.3 |
| The Earlville Early Learning Ctr Earlville | 10.1 mi | 5.3 |
| Ladd Comm Cons Sch Ladd | 13.6 mi | 5.9 |
| Dalzell Grade School Dalzell | 14.3 mi | 5.2 |
| Northwest Elem School La Salle | 14.8 mi | 6.5 |
| Northview Elem School Peru | 15.3 mi | 4.6 |
| Lincoln Jr High School La Salle | 15.3 mi | 6.4 |
| Parkside Middle School Peru | 15.5 mi | 5.8 |
| LIGHTED WAY ASSOCIATION La Salle | 15.7 mi | 6.6 |
| La Salle-Peru Twp High School La Salle | 15.8 mi | 6.7 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 61342 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$65,184
Median Home Value
$132,700
Median Rent
$841/mo
Population
8,373
College Educated
18.3%
Homeownership
70.1%
Avg Commute
20.5 min
Poverty Rate
12%
Median Age
41.3
Community Profile
The community surrounding Northbrook School has a median household income of $65,184. It is a community where 18% of adults hold a bachelor's degree or higher. The median home value in the area is $132,700, with a median rent of $841/month. The area has a poverty rate of 12.0%. The average commute for residents is 21 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Canton Middle School Streamwood, IL | 4.0 |
| Elm Middle School Elmwood Park, IL | 4.0 |
| Rochester Intermediate School Rochester, IL | 4.0 |
| Northlawn Jr High School Streator, IL | 4.1 |
| Rochelle Middle School Rochelle, IL | 4.1 |
| Stephen Decatur Middle School Decatur, IL | 4.1 |
Frequently Asked Questions
Common questions about Northbrook School
What grades does Northbrook School serve?
Northbrook School serves students in grades 5th through 8th.
How many students attend Northbrook School?
Northbrook School has an enrollment of approximately 481 students.
What is the student-teacher ratio at Northbrook School?
The student-teacher ratio at Northbrook School is 13.7:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Northbrook School rank in IL?
Northbrook School is ranked #3667 out of 3,813 schools in IL.
What is Northbrook School's MySchoolScout rating?
Northbrook School has a composite rating of 4.0 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at Northbrook School?
Based on the most recent state assessment data, Northbrook School has 22.0% math proficiency and 30.7% reading/ELA proficiency.
Is Northbrook School a charter school?
No, Northbrook School is not a charter school. It is a traditional public school operated by the local school district.
Is Northbrook School a Title I school?
No, Northbrook School is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Northbrook School?
63.8% of students at Northbrook School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Explore More Schools
Neighborhood Context
- City Safety
- Average (508/100K)
FBI UCR 2024. City-level (Mendota). Data >1 year old.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 5th – 8th
- Enrollment
- 481
- Student-Teacher Ratio
- 13.7:1
- Teachers (FTE)
- 35
- Free/Reduced Lunch
- 63.8%
- Type
- regular
- Setting
- Distant Town
- County
- LaSalle County
- Phone
- (815) 539-6237
- Data Year
- 2023–2024
Resources & Links
District
Mendota CCSD 289- District Enrollment
- 1,016
- Schools in District
- 3
- Per-Pupil Spending
- $13,901
- District Rank
- #3 of 3
Other Schools in This District
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
Read our full methodologyRelated reading
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