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SCHOOL COMMUNITY·CHICAGO PUBLIC SCHOOLS DIST 299·NCES 170993006455

Acero Chtr - Rufino Tamayo Elem

5135 S California Ave, Chicago, IL 60632 · (773) 434-6355 · Cook County
GRADES KG–08ELEMENTARY11-CITYCHARTERTITLE IREGULAR SCHOOL266 STUDENTS
Enrollment
266
Elementary
DISTRICT 463 · STATE 381
Student : Teacher
14.0:1
19 FTE teachers
DISTRICT 14.6:1 · STATE 13.9:1
Free / Reduced Lunch
91%
241 students
DISTRICT 78% · STATE 56%
Community
0
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Kindergarten
31
Grade 1
29
Grade 2
30
Grade 3
30
Grade 4
28
Grade 5
30
Grade 6
29
Grade 7
29
Grade 8
30
Student demographics
Hispanic
265100%
DISTRICT 47% · STATE 29%
Native American
10%
DISTRICT 0% · STATE 0%
Student head counts by race/ethnicity from federal NCES enrollment data. Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
13651%
Female
13049%

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Test scores

IAR + ISA 2024-25 . % Proficient (Levels 4-5)
English Language Arts
54.3%
IL avg 51.0% . +8.0pp since 2023
Math
27.3%
IL avg 37.9% . +8.7pp since 2023
Source: IAR + ISA. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
OUTPERFORMING
Top 10% of IL schools after controlling for student poverty
Actual proficiency
38.4%
composite math + reading, all grades
Predicted
19.2%
based on IL schools with similar FRL share
Beats by
+19.2pp
above demographic expectation
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
266
-21 (-7%) vs 2017
Student : Teacher
14.0:1
was 16.9:1
% Hispanic
100%
was 99%
% Black
0%
was 1%
Source: NCES Common Core of Data

About Acero Chtr - Rufino Tamayo Elem

Set in Chicago, Illinois, Acero Chtr - Rufino Tamayo Elem is an intimate primary school, overseen by Chicago Public Schools Dist 299. It enrolls 266 students across grades K through 8. By comparison, Illinois's public schools average about 381 students each, so Acero Chtr - Rufino Tamayo Elem sits 30% smaller than that benchmark.

Chicago Public Schools Dist 299 comprises 622 schools with combined enrollment of 324,396 students; Acero Chtr - Rufino Tamayo Elem is among them.

For racial and ethnic makeup, Acero Chtr - Rufino Tamayo Elem logs that the student body is overwhelmingly Hispanic (100%). The wider county runs roughly 27% Hispanic, putting the school's mix noticeably more Hispanic than the area baseline.

Looking at the economic backdrop, Acero Chtr - Rufino Tamayo Elem reports 19 full-time-equivalent teachers, putting the student-to-teacher ratio at about 14.0:1. That tracks the state average closely. Around 91% of the student body qualifies for free or reduced-price meals, a commonly cited indicator of low-income enrollment. By comparison, Cook County runs at roughly 66%, so the school's eligibility rate is higher than the surrounding baseline.

With demographic context factored in, Acero Chtr - Rufino Tamayo Elem is in the OUTPERFORMING tier of the BeatsExpectations model, which fits a per-state line through proficiency and FRL share. Schools with this campus's poverty mix typically land near 19.2%; this one delivers 38.4%, a residual of +19.2 points.

Across the wider county, Cook County reports that median household income runs about $83,498, 43% of adults hold a bachelor's degree or higher, and roughly 10% of residents live below the federal poverty line. Across Cook County's 1406 public schools (combined enrollment of about 697,934 students), Acero Chtr - Rufino Tamayo Elem is one campus in the mix.

The closest other public school is Nightingale Elem School, roughly 0.3 miles away. Within five miles, there are 8 other public schools. On composite proficiency, Acero Chtr - Rufino Tamayo Elem comes 2nd of 9 in the immediate cluster, higher than the nearby-schools average of 26.2%.

Acero Chtr - Rufino Tamayo Elem operates from an inner-city location. Acero Chtr - Rufino Tamayo Elem operates as a public charter school, meaning it is publicly funded but governed independently of the surrounding district's traditional schools.

Over the past 7-year window. Acero Chtr - Rufino Tamayo Elem's enrollment has decreased 7% since 2018, when it stood at 287 (now 266). The student-to-teacher ratio fell from 16.9:1 in 2018 to 14.0:1 today.

Inside the community feed, members of the Acero Chtr - Rufino Tamayo Elem community share and discuss fundraisers, lost-and-found posts, and report-card season. Contributors range from current parents to recent graduates and teachers.

Cook County at a glance

View full county profile
Population
5,182,090
Census ACS
Median income
$83,498
Household, ACS
Bachelor's+
43%
Adults 25+
Poverty rate
10%
Below federal line
Schools in county
1,406
697,934 students

Quick facts

School name
Acero Chtr - Rufino Tamayo Elem
District
Chicago Public Schools Dist 299
Address
5135 S California Ave, Chicago, IL 60632
Phone
(773) 434-6355
County
Cook County
Level
Elementary
Grade range
KG–08
Total enrollment
266
Teachers (FTE)
19
Student–teacher ratio
14.0:1
Free/Reduced lunch
241 (91%)
Locale
11-City: Large
NCES ID
170993006455
Charter school
Yes
Virtual school
No

Related schools

Other schools in Chicago Public Schools Dist 299
Other schools in Chicago
Nearby schools

Frequently asked questions

About Acero Chtr - Rufino Tamayo Elem
How large is Acero Chtr - Rufino Tamayo Elem?
Acero Chtr - Rufino Tamayo Elem enrolls approximately 266 students in grades KG-08.
What grades does Acero Chtr - Rufino Tamayo Elem serve?
Acero Chtr - Rufino Tamayo Elem serves grades KG-08.
What is the student-teacher ratio at Acero Chtr - Rufino Tamayo Elem?
The student-to-teacher ratio at Acero Chtr - Rufino Tamayo Elem is approximately 14.0:1 (19 FTE teachers).
What is the racial breakdown of students at Acero Chtr - Rufino Tamayo Elem?
At Acero Chtr - Rufino Tamayo Elem, the student body is approximately 100% Hispanic.
Is Acero Chtr - Rufino Tamayo Elem public or private?
Acero Chtr - Rufino Tamayo Elem is a public K-12 school operated as a charter, overseen by Chicago Public Schools Dist 299.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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