Community prompt from u/allk12. Replies below.
Acero Chtr - SPC Zizumbo Elem
Test scores
IAR + ISA 2024-25 . % Proficient (Levels 4-5)What this means: On the IAR + ISA, Illinois's statewide test, about 40 of every 100 students at this school read and write at grade level and about 18 of 100 do math at grade level. Across all Illinois schools, those numbers are about 51 and 38. Reading and writing scores are up about 16 points since 2023, while math scores are up about 7 points.
BeatsExpectations
Demographically-adjusted score · methodologyWhat this means: About 27% of students here test proficient in math and reading, compared with the roughly 22% typical for Illinois schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Illinois's top nor bottom 10%.
7-year change
SY 2017-18 vs SY 2024-25About Acero Chtr - SPC Zizumbo Elem
Acero Chtr - SPC Zizumbo Elem is a K-5 school of moderately sized scale in Chicago, Illinois, overseen by Chicago Public Schools Dist 299, teacheing 532 students in grades K through 8. By comparison, Illinois's public schools average about 381 students each, so Acero Chtr - SPC Zizumbo Elem sits 40% bigger than that benchmark.
Acero Chtr - SPC Zizumbo Elem is one of 622 schools operated by Chicago Public Schools Dist 299, a district that serves 324,396 students overall.
Looking at the student body, Acero Chtr - SPC Zizumbo Elem reports that the student body is overwhelmingly Hispanic (97%). Beyond that, the school records 2% White. That is noticeably more Hispanic than the county at large, where the share is closer to 27%.
On the income-and-resources front, Staff filings list 32 full-time-equivalent teachers, which works out to roughly 16.6:1 students per teacher. That figure is higher than the state norm's 13.9:1 average. Roughly 86% of students at Acero Chtr - SPC Zizumbo Elem qualify for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator. By comparison, Cook County runs at roughly 66%, so the school's eligibility rate is higher than the surrounding baseline.
On a residual basis (actual vs predicted given the student mix), Acero Chtr - SPC Zizumbo Elem sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 21.7%; this one delivers 26.5%.
Across the wider county, community-level numbers for Cook County indicate median household income runs about $83,498, about 43% of the adult population holds a bachelor's degree or above, and census figures put the poverty rate at about 10%. Acero Chtr - SPC Zizumbo Elem is one of 1406 public schools in Cook County (combined enrollment of about 697,934 students).
Acero Chtr Netrk - Major Garcia is the nearest neighboring public school, about 0.0 miles from this campus. Within five miles, there are 8 other public schools. Ranking that nearby cluster on reported proficiency puts Acero Chtr - SPC Zizumbo Elem at 1st of 9; the average score across the group is 15.6%.
The campus sits in an urban setting. As a public charter, Acero Chtr - SPC Zizumbo Elem runs on public funding but with greater curricular and operational autonomy than a typical district school.
Over the past 7-year window. Acero Chtr - SPC Zizumbo Elem's enrollment has ticked down 15% since 2018, when it stood at 625 (now 532). The student-to-teacher ratio fell from 19.5:1 in 2018 to 16.6:1 today.
On the community side, recent activity here tends to focus on pickup logistics, teacher feedback, and after-school programs. Members of the school community can share what they know.
Cook County at a glance
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