Serving 517 students in grades Kindergarten-8, Acero Chtr - Officer Marquez Elementary School ranks in the bottom 50% of all schools in Illinois for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 12% (which is lower than the Illinois state average of 27%). The percentage of students achieving proficiency in reading/language arts is 10% (which is lower than the Illinois state average of 30%).
The student-teacher ratio of 16:1 is higher than the Illinois state level of 13:1.
Minority enrollment is 99% of the student body (majority Hispanic), which is higher than the Illinois state average of 55% (majority Hispanic).
Quick Facts (2025-26)
- School Type: Charter School
- Grades: Kindergarten-8
- Enrollment: 517 students
- Student-Teacher Ratio: 16:1
- Minority Enrollment: 99%
- Overall Testing Rank: Bottom 50% in IL
- Math Proficiency: 12% (Btm 50%)
- Reading Proficiency: 10% (Btm 50%)
- Science Proficiency: 35-39% (Btm 50%)
- Source: National Center for Education Statistics (NCES), IL Dept. of Education
School Overview
Acero Chtr - Officer Marquez Elementary School's student population of 517 students has declined by 9% over five school years.
The teacher population of 33 teachers has grown by 6% over five school years.
School Type
Grades Offered
Grades Kindergarten-8
Total Students
517 students
Gender %
Total Classroom Teachers
33 teachers
School Rankings
Acero Chtr - Officer Marquez Elementary School ranks within the bottom 50% of all 3,542 schools in Illinois (based off of combined math and reading proficiency testing data).
The diversity score of Acero Chtr - Officer Marquez Elementary School is 0.02, which is less than the diversity score at state average of 0.69. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#2786 out of 3542 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
12%
27%
Reading/Language Arts Test Scores (% Proficient)
10%
30%
Science Test Scores (% Proficient)
35-39%
50%
Student-Teacher Ratio
16:1
13:1
American Indian
n/a
n/a
Asian
n/a
6%
Hispanic
99%
28%
Black
n/a
17%
White
1%
45%
Hawaiian
n/a
n/a
Two or more races
n/a
4%
All Ethnic Groups
Eligible for Free Lunch (19-20)
92%
47%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), IL Dept. of Education
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Acero Chtr - Officer Marquez Elementary School's ranking?
Acero Chtr - Officer Marquez Elementary School is ranked #2786 out of 3,542 schools, which ranks it among the bottom 50% of public schools in Illinois.
What percent of students have achieved state testing proficiency in math and reading?
12% of students have achieved math proficiency (compared to the 27% IL state average), while 10% of students have achieved reading proficiency (compared to the 30% IL state average).
How many students attend Acero Chtr - Officer Marquez Elementary School?
517 students attend Acero Chtr - Officer Marquez Elementary School.
What is the racial composition of the student body?
99% of Acero Chtr - Officer Marquez Elementary School students are Hispanic, and 1% of students are White.
What is the student-teacher ratio of Acero Chtr - Officer Marquez Elementary School?
Acero Chtr - Officer Marquez Elementary School has a student ration of 16:1, which is higher than the Illinois state average of 13:1.
What grades does Acero Chtr - Officer Marquez Elementary School offer ?
Acero Chtr - Officer Marquez Elementary School offers enrollment in grades Kindergarten-8
What school district is Acero Chtr - Officer Marquez Elementary School part of?
Acero Chtr - Officer Marquez Elementary School is part of Chicago 51³Ô¹ÏÍøºÚÁÏ Dist 299 School District.
In what neighborhood is Acero Chtr - Officer Marquez Elementary School located?
Acero Chtr - Officer Marquez Elementary School is located in the Brighton Park neighborhood of Chicago, IL. There are 13 other public schools located in Brighton Park.
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