2024-25 NCES data Elementary school (grades K-5) NCES 170993006521 Charter school
Acero Chtr - Esmera Santiago Cmps — Chicago, IL
Federal NCES profile for Acero Chtr - Esmera Santiago Cmps, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators — Resource Investment Index 42/100.
How this works: Each indicator above is scored 0–100 from federal NCES and CRDC data, then averaged into the Resource Investment Index. This measures resource allocation — staffing, programs, and support services — not standardized test scores or academic outcomes. Full methodology →
The verdict
Acero Chtr - Esmera Santiago Cmps earns a D Resource Investment Index (42/100), even as it posts class sizes smaller than 78% of Illinois schools.
Public location data per NCES (National Center for Education Statistics) Common Core of Data. Verify the school's current address on the
NCES CCD record.
Enrollment
224
Illinois · 2024-25 NCES data
Teachers (FTE)
19.0
Federal CCD staff survey
Students per teacher
11.5:1
vs 14.6:1 Illinois avg
▲-21% vs state
Student-teacher ratio in context
How Acero Chtr - Esmera Santiago Cmps compares with Illinois and U.S. medians
Smaller classes than state median
14.6:1 Illinois median15.7:1 U.S. median
The federal record — no proprietary index, no editorial formula.
PlainSchools publishes the actual federal measurements — enrollment, staffing, demographics, discipline, and finance — straight from the NCES Common Core of Data, CRDC, and F-33 surveys. No composite rating, no opinion-based score on top. You get the same raw numbers researchers and policymakers use, with benchmarks, spending context, and equity indicators computed from the same federal datasets. Full methodology linked below.
What this school's NCES data tells you
Acero Chtr - Esmera Santiago Cmps reports 224 enrolled students to the National Center for Education Statistics (NCES) alongside 19.0 full-time-equivalent teachers, producing a 11.5:1 student-teacher ratio. That figure sits 21% below the Illinois state mean of 14.6:1, signalling more teacher attention per pupil than the state benchmark. Against the national 2024-25 average of 15.7:1, it is 27% lower, a useful calibration for families comparing districts across state lines.
Chronic absenteeism — missing 10% or more of school days — stands at 23.2% according to the 2021-22 Civil Rights Data Collection.
On the finance side, the surrounding City of Chicago Sd 299 spends $21,050 per pupil district-wide, above the Illinois average of $17,042 and above the national average of $16,593. Revenue comes 52.8% from local sources (property taxes), 29.9% from the state, and 17.4% from federal programs per the NCES F-33 finance survey. Taken together, these measurements produce a Resource Investment Index of 42/100 (D), calculated from 3 distinct NCES and CRDC indicators measuring resource allocation rather than academic outcomes.
Cross-validating school-level NCES values against Illinois state and U.S. national means lets readers see whether this school is an outlier or in line with peers.
Metric
This school
vs Illinois
Illinois avg
U.S. avg
Students per teacher
11.5:1
▼ 21%
14.6:1
15.7:1
Enrollment
224
top 22%
—
—
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Class size vs. every US school
Students per teacher (lower means more individual attention)
12Among the smallest classessmaller classes than 82% of 92,598 US schools
Each bar is a band; taller bars hold more US schools. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Department of Education — NCES Common Core of Data · 2024-25
School size vs. every US school
Total enrollment — where this school sits by size (neither large nor small is 'better')
224larger than 22% of 95,891 US schools
Each bar is a band; taller bars hold more US schools. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Department of Education — NCES Common Core of Data · 2024-25
What the federal data reveals about equity at this school
Federal measurements — not ratings — surface the resource and opportunity picture. Below are the indicators that researchers, civil-rights monitors, and funding formulas use to assess equity.
Staffing depth
11.5:1
students per teacher
— 21% below state mean
Top 22% in Illinois — lower ratio than 78% of state schools
Below the 15:1 benchmark — typical of schools with smaller class sizes and more individualized attention.
Engagement
23.2%
chronically absent (missed 10%+ of school days)
Chronic absenteeism at or above 20% — the CDC threshold for "high" — signals significant barriers to regular attendance.
Funding equity
$21,050
per pupil, district-wide
— above Illinois avg of $17,042
Above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
13
in-school suspensions + 0 out-of-school
Suspension rate: 5.8 per 100 students. Combined in-school and out-of-school rate: 5.8 per 100 students. Reported via the Civil Rights Data Collection.
Overview
Enrollment224 Top 22% in Illinois — larger than 78% of 3,845 state schools
Teachers (FTE)19.0
Students per teacher 11.5:1 -21% vs state
Free-lunch eligible —
NCES ID170993006521
Student demographics
Hispanic or Latino
88.8% · ≈199 students
African American
8.0% · ≈18 students
White
1.3% · ≈3 students
Asian
0.9% · ≈2 students
American Indian / Alaska Native
0.9% · ≈2 students
Hispanic or Latino88.8%
African American8.0%
White1.3%
Asian0.9%
American Indian / Alaska Native0.9%
Largest group: Hispanic or Latino at 88.8% of enrollment.
Programs & staff
Counselors (FTE)0.0
Discipline & special education
Chronically absent23.2%
In-school suspensions13
Out-of-school suspensions0
Funding & spending
District-wide per-pupil expenditure for City of Chicago Sd 299, which includes Acero Chtr - Esmera Santiago Cmps.
$21,050
Per student
+24%
vs Illinois
Avg $17,042
+27%
vs U.S.
Avg $16,593
Revenue mix
Local52.8%
State29.9%
Federal17.4%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
Frequently asked questions about Acero Chtr - Esmera Santiago Cmps
How many students attend Acero Chtr - Esmera Santiago Cmps?
Acero Chtr - Esmera Santiago Cmps has 224 students enrolled. It is a elementary school in Chicago, IL.
What is the student-teacher ratio at Acero Chtr - Esmera Santiago Cmps?
The student-teacher ratio at Acero Chtr - Esmera Santiago Cmps is 11.5:1, which is 21% lower than the Illinois average of 14.6:1 and 27% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What is the racial and ethnic makeup of Acero Chtr - Esmera Santiago Cmps?
The largest demographic group at Acero Chtr - Esmera Santiago Cmps is Hispanic or Latino at 88.8%. The school serves a diverse student body in Chicago, IL.
What is the Resource Investment Index for Acero Chtr - Esmera Santiago Cmps?
Acero Chtr - Esmera Santiago Cmps has a Resource Investment Index of 42/100 (D) based on 3 factors: student-teacher ratio, attendance rates. This index measures federal resource allocation — staffing levels, program availability, and support services — not standardized test scores or academic outcomes.
Is Acero Chtr - Esmera Santiago Cmps a good school?
Acero Chtr - Esmera Santiago Cmps earns a D Resource Investment Index (42/100), even as it posts class sizes smaller than 78% of Illinois schools. The Resource Investment Index reflects staffing, counselor access, gifted programs, and attendance reported to NCES, not test scores or academic outcomes, so treat it as a resource snapshot rather than an overall rating.