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Acero Charter School Network - Bartolome de las Casas Elementary School

Public, Charter Grades K-8
Summary

Acero Charter - Bartolome de las is an elementary school in Chicago, Illinois that serves grades K-8 with 223 students enrolled. Despite being a public charter school, the school has consistently ranked in the bottom 15% of Illinois elementary schools over the past several years, receiving a 1-star rating from SchoolDigger.

Acero Charter - Bartolome de las significantly underperforms compared to the Chicago Public Schools District 299 and the state of Illinois on standardized tests. In the 2024-2025 school year, only 24% of students were proficient or better in English Language Arts, compared to 42.8% for the district and 53.1% for the state. In math, only 9.1% of students were proficient or better, compared to 27.3% for the district and 38.5% for the state. The school also struggles with high chronic absenteeism rates, ranging from 25.4% to 40.8% over the past few years, significantly higher than the district and state averages.

Interestingly, the nearby Perez Elementary, STEM Magnet Academy, and Whittier Elementary schools generally outperform Acero Charter - Bartolome de las on academic measures, suggesting the school may need to implement more targeted interventions and support to improve the educational experiences and outcomes for its students.

225
Students ?
13.2
Student/teacher ratio ?
$15,873
Per pupil spending ?
88.4%
Free/reduced lunch eligible (2024-25) ?
96.7%
Measles protection (all grades) (2025-26)
 1641 W 16th St
       Chicago, IL  60608-2039

(312) 432-3224

District: Chicago Public Schools District 299

Racial breakdown:

Hispanic:
96.0%
African American:
2.7%
White:
0.9%
more
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 Compare Acero Charter School Network - Bartolome de las Casas Elementary School to nearby elementary schools!
At a glance
▼ Ranking trend: Declining — 31st percentile in 2019 → 10th in 2025
Worth a look
!Test scores below the Illinois average (26% vs 49% meeting standards)
!High chronic absenteeism (45% vs 24% Illinois)
!Ranking has slipped — down 21 percentile points since 2019
Students meeting standards (2025-2026) ?
This school26%
District avg38%
Illinois avg49%
Not ranked this year
Acero Charter School Network - Bartolome de las Casas Elementary School did not have enough recent test-score data to be ranked. Check the trend below for past years.
568th of 738Chicago Public Schools District 299 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)
Elementary school ranking
Show full rank history (all student groups)

All Students

YearAvg scoreStatewide rankIllinois percentileRating
202513.21843 of 205610.4%★☆☆☆☆
202416.31794 of 206713.2%★☆☆☆☆
202323.31568 of 207724.5%★☆☆☆☆
202219.71675 of 208219.5%★☆☆☆☆
202122.81473 of 194824.4%★☆☆☆☆
201930.11447 of 208630.6%★★☆☆☆

English Language Learner

YearAvg scoreStatewide rankIllinois percentileRating
202541.8441 of 78844.0%★★☆☆☆
202424.2752 of 8269.0%☆☆☆☆☆
202333.6563 of 78828.6%★☆☆☆☆
202226.4683 of 76811.1%★☆☆☆☆
202142.0261 of 53751.4%★★★☆☆
201931.5588 of 74320.9%★☆☆☆☆

Female

YearAvg scoreStatewide rankIllinois percentileRating
202533.11296 of 194233.3%★★☆☆☆
202418.41647 of 194215.2%★☆☆☆☆
202329.61334 of 195731.8%★★☆☆☆
202223.41503 of 197023.7%★☆☆☆☆
202120.11385 of 168017.6%★☆☆☆☆
201929.81422 of 201929.6%★☆☆☆☆

Hispanic

YearAvg scoreStatewide rankIllinois percentileRating
202518.9867 of 98211.7%★☆☆☆☆
202422.2817 of 95914.8%★☆☆☆☆
202330.8694 of 97028.5%★☆☆☆☆
202226.2763 of 95420.0%★☆☆☆☆
202135.4462 of 74237.7%★★☆☆☆
201940.2560 of 95541.4%★★☆☆☆

Low Socio Economic Status

YearAvg scoreStatewide rankIllinois percentileRating
202521.41533 of 180014.8%★☆☆☆☆
202424.91454 of 179318.9%★☆☆☆☆
202334.31188 of 180834.3%★★☆☆☆
202231.01254 of 176328.9%★☆☆☆☆
202134.11018 of 151432.8%★★☆☆☆
201945.4957 of 181647.3%★★☆☆☆

Male

YearAvg scoreStatewide rankIllinois percentileRating
20258.01899 of 19472.5%☆☆☆☆☆
202418.51631 of 195916.7%★☆☆☆☆
202323.11506 of 198424.1%★☆☆☆☆
202220.01597 of 197719.2%★☆☆☆☆
202124.91267 of 170725.8%★☆☆☆☆
201932.81341 of 201933.6%★★☆☆☆
Middle school ranking
Show full rank history (all student groups)

All Students

YearAvg scoreStatewide rankIllinois percentileRating
202512.71261 of 13687.8%☆☆☆☆☆
202422.01059 of 136322.3%★☆☆☆☆
202322.11070 of 136721.7%★☆☆☆☆
202227.6954 of 136930.3%★★☆☆☆
202133.4767 of 124138.2%★★☆☆☆
201936.6821 of 135639.5%★★☆☆☆

English Language Learner

YearAvg scoreStatewide rankIllinois percentileRating
202543.8239 of 48350.5%★★★☆☆
202438.1295 of 48639.3%★★☆☆☆
202346.9191 of 48060.2%★★★☆☆
202235.8317 of 45430.2%★★☆☆☆
202141.1154 of 27744.4%★★☆☆☆

Female

YearAvg scoreStatewide rankIllinois percentileRating
202514.81102 of 124811.7%★☆☆☆☆
202416.81082 of 125113.5%★☆☆☆☆
202323.7973 of 127523.7%★☆☆☆☆
202228.4889 of 128630.9%★★☆☆☆
202130.5692 of 101732.0%★★☆☆☆
201939.5753 of 127641.0%★★☆☆☆

Hispanic

YearAvg scoreStatewide rankIllinois percentileRating
202514.4638 of 6694.6%☆☆☆☆☆
202426.3505 of 64321.5%★☆☆☆☆
202324.9533 of 66119.4%★☆☆☆☆
202231.8461 of 66230.4%★★☆☆☆
202141.9276 of 51746.6%★★☆☆☆
201943.6332 of 63948.0%★★☆☆☆

Low Socio Economic Status

YearAvg scoreStatewide rankIllinois percentileRating
202518.61083 of 122911.9%★☆☆☆☆
202428.6891 of 121926.9%★☆☆☆☆
202327.4937 of 123424.1%★☆☆☆☆
202237.4718 of 122141.2%★★☆☆☆
202145.5488 of 101952.1%★★★☆☆
201952.7510 of 121758.1%★★★☆☆

Male

YearAvg scoreStatewide rankIllinois percentileRating
202514.81143 of 127110.1%★☆☆☆☆
202431.6799 of 126436.8%★★☆☆☆
202321.41039 of 129219.6%★☆☆☆☆
202228.3900 of 128630.0%★★☆☆☆
202133.4657 of 104837.3%★★☆☆☆
201927.8916 of 129629.3%★☆☆☆☆

Special Education

YearAvg scoreStatewide rankIllinois percentileRating
202323.8669 of 80516.9%★☆☆☆☆
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)
Elementary school
English Language Learner (2025)44th percentile+34 vs school
Female (2025)33rd percentile+23 vs school
Low Socio Economic Status (2025)15th percentile+4 vs school
Hispanic (2025)12th percentile~ school
Male (2025)2nd percentile-8 vs school
Middle school
English Language Learner (2025)51st percentile+43 vs school
Special Education (2023)17th percentile-5 vs school
Low Socio Economic Status (2025)12th percentile+4 vs school
Female (2025)12th percentile+4 vs school
Male (2025)10th percentile~ school
Hispanic (2025)5th percentile-3 vs school

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Frequently Asked Questions about Acero Charter School Network - Bartolome de las Casas Elementary School

In the 2024-25 school year, 225 students attended Acero Charter School Network - Bartolome de las Casas Elementary School.

Students at Acero Charter School Network - Bartolome de las Casas Elementary School are 96% Hispanic, 3% African American.

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Latest Illinois data All new data »
2025–26 school spending dataNewOct 30, 2026
2025–26 attendance data, dropout rates & graduation ratesNewOct 30, 2026
2025–26 ACT, IAR, ISA & PreACT Secure test scoresNewOct 30, 2026
2013–14 through 2025–26 immunization rates (updated)Oct 19, 2026


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.

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