Enrollment
266
Elementary
DISTRICT 463 · STATE 381
SCHOOL COMMUNITY·CHICAGO PUBLIC SCHOOLS DIST 299·NCES 170993006455
Acero Chtr - Rufino Tamayo Elementary School
5135 S California Ave, Chicago, IL 60632 · (773) 434-6355 · Cook County
GRADES KG–08ELEMENTARY11-CITYCHARTERTITLE IREGULAR SCHOOL266 STUDENTS
B+
allk12 Grade
Scored higher than 68% of Illinois public elementary schools
- B-Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- ABeats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- ·Three-year trend Not available for this school, so the grade uses the other parts.
Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Illinois public elementary schools
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, 2024-25
| Grade | Students | Share |
|---|---|---|
| Kindergarten | 31 | 12% |
| Grade 1 | 29 | 11% |
| Grade 2 | 30 | 11% |
| Grade 3 | 30 | 11% |
| Grade 4 | 28 | 11% |
| Grade 5 | 30 | 11% |
| Grade 6 | 29 | 11% |
| Grade 7 | 29 | 11% |
| Grade 8 | 30 | 11% |
This year's kindergarten class (31) is about the same size as its 8th grade class (30).
Student demographics
1%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 64% · STATE 69% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
QUIET COMMUNITY
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START A DISCUSSIONTest 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
What this means: On the IAR + ISA, Illinois's statewide test, about 54 of every 100 students at this school read and write at grade level and about 27 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 8 points since 2023, while math scores are up about 9 points.
IAR + ISA results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 54.3% | 27.3% |
| 2023-24 | 46.3% | 18.6% |
% Proficient (Levels 4-5), all students and all tested grades.
Source: IAR + ISA. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
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
What this means: About 38% of students here test proficient in math and reading, well above the roughly 19% typical for Illinois schools with a similar share of low-income students. BeatsExpectations ranks schools against others at the same poverty level, not by raw scores, so a school can post high scores and still fall short of its prediction, or post lower scores and still beat it. This school clears its prediction by about 19 points, placing it in Illinois's top 10%.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
Schools most like Acero Chtr - Rufino Tamayo Elementary School
Acero Chtr - Rufino Tamayo Elementary School's state test result (38.4% proficient) is higher than 4 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Acero Chtr - Rufino Tamayo Elementary School this school | 266 | 90.6% | 38.4% |
| Brighton Park Elementary School Chicago | 298 | 90.6% | 24.3% |
| Acero Chtr - Sandra Cisneros Elementary School Chicago | 326 | 90.2% | 17.8% |
| Acero Chtr - Bartolome de las Chicago | 225 | 88.4% | 16.1% |
| Whittier Elementary School Chicago | 221 | 93.7% | 13.9% |
| Burroughs Elementary School Chicago | 303 | 92.4% | 44.9% |
Matched among Illinois elementary schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where Acero Chtr - Rufino Tamayo Elementary School ranks
Among elementary schools| Measure | This school | In Illinois | In Cook County |
|---|---|---|---|
| State test proficiency ranked highest first | 38.4% | #976 of 1,925 | #271 of 760 |
| Math proficiency ranked highest first | 27.3% | #1,380 of 2,077 ▼ 136 | #429 of 829 ▼ 47 |
| Reading proficiency ranked highest first | 54.3% | #860 of 2,077 ▼ 257 | #268 of 829 ▼ 67 |
| Enrollment ranked largest first | 266 | #1,734 of 2,419 | #713 of 901 |
| Students per teacher ranked fewest first | 14.0:1 | #1,243 of 2,035 | #554 of 817 |
| Diversity index ranked most diverse first | 0.8% | #2,041 of 2,042 | #819 of 819 |
| Free and reduced lunch ranked highest share first | 90.6% | #261 of 2,132 | #190 of 804 |
| Enrollment change since 2017-18 ranked steepest decline first | -7.3% | #1,064 of 1,461 | #518 of 661 |
Ranked against other public elementary schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
266
-13 (-5%) vs 2020
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 266 | 19 | 14.0:1 | 91% (241) |
| 2023-24 | 268 | 18 | 14.9:1 | 93% (248) |
| 2022-23 | 270 | 19 | 14.2:1 | N/A |
| 2020-21 | 279 | N/A | N/A | N/A |
| 2017-18 | 287 | 17 | 16.9:1 | 95% (273) |
Source: NCES Common Core of Data. Rows are the federal collections on file for Acero Chtr - Rufino Tamayo Elementary School.
Since 2017-18: students down 7% (287 to 266); teachers up 12% (17 to 19).
About Acero Chtr - Rufino Tamayo Elementary School
Acero Chtr - Rufino Tamayo Elementary School is a small elementary school in Chicago, Illinois, (ZIP code 60632). It had 266 students in 2024-25, spanning kindergarten through 8. Elementary schools in Illinois average about 381 students, which makes this school 30% below average.
Chicago Public Schools Dist 299 runs 622 schools with a combined 324,396 students. Acero Chtr - Rufino Tamayo Elementary School is one of them.
The share of students at Acero Chtr - Rufino Tamayo Elementary School who are Hispanic is 100%. By comparison, Cook County residents are about 27% Hispanic. On a 0 to 100 scale, the school's diversity index is 1, compared with 70 nationally.
The school's 19 full-time-equivalent teachers translate to a student-to-teacher ratio of 14.0:1. The average for elementary schools in Illinois is about 13.9:1. At Acero Chtr - Rufino Tamayo Elementary School, 91% of students qualify for free or reduced-price lunch in 2024-25. For comparison, public schools in Cook County average 66%.
On the allk12 Grade, Acero Chtr - Rufino Tamayo Elementary School lands at B+, ahead of 68% of Illinois public elementary schools.
Test results at Acero Chtr - Rufino Tamayo Elementary School are 19.2 points above what its student poverty level predicts. The average proficiency rate across its state test results is 38.4%, compared with a predicted 19.2%, which ranks in the top 10% in Illinois.
In the surrounding county, Cook County, the median household earns about $83,498 a year, 43% of adults hold a bachelor's degree or higher, and about 10% of residents live below the federal poverty line. Counting Acero Chtr - Rufino Tamayo Elementary School, Cook County has 1,406 public schools.
Acero Chtr - Rufino Tamayo Elementary School is about 0.3 miles from Nightingale Elementary School, its nearest public school. Around the school, at least 8 other public schools are within five miles. Among its closest neighbors with test data, Acero Chtr - Rufino Tamayo Elementary School is 2nd of 9 on proficiency.
The NCES locale for Acero Chtr - Rufino Tamayo Elementary School is City: Large, which covers schools inside a principal city with a population of 250,000 or more. The school is a charter school, funded with public money and operated under a charter agreement.
The school's enrollment fell 5% from 2020-21 to 2024-25.
People can post here about homework, tutoring, and testing dates and other school topics. Members of the school community can share what they know.
Cook County at a glance
View full county profilePopulation
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
Related schools
Other schools in Chicago Public Schools Dist 299
- Lane Technical High SchoolHigh · 4,604 students
- Taft High SchoolHigh · 4,487 students
- Curie Metropolitan High SchoolHigh · 3,099 students
- Kenwood Academy High SchoolHigh · 2,268 students
- Young Magnet High SchoolHigh · 2,223 students
- Lincoln Park High SchoolHigh · 2,214 students
Other schools in Chicago
- Lane Technical High SchoolHigh · 4,604 students
- Taft High SchoolHigh · 4,487 students
- Curie Metropolitan High SchoolHigh · 3,099 students
- Kenwood Academy High SchoolHigh · 2,268 students
- Young Magnet High SchoolHigh · 2,223 students
- Lincoln Park High SchoolHigh · 2,214 students
Nearby schools
- Nightingale Elementary School0.3 mi · 917
- Christopher Elementary School0.4 mi · 315
- Talman Elementary School0.4 mi · 332
- Shields Middle School0.5 mi · 330
- Carson Elementary School0.5 mi · 724
- Noble St Chtr - Mansueto0.6 mi · 1,106
Frequently asked questions
About Acero Chtr - Rufino Tamayo Elementary SchoolHow large is Acero Chtr - Rufino Tamayo Elementary School?
Acero Chtr - Rufino Tamayo Elementary School enrolls approximately 266 students in grades KG-08.
What grades does Acero Chtr - Rufino Tamayo Elementary School serve?
Acero Chtr - Rufino Tamayo Elementary School serves grades KG-08.
What is the student-teacher ratio at Acero Chtr - Rufino Tamayo Elementary School?
The student-to-teacher ratio at Acero Chtr - Rufino Tamayo Elementary School is approximately 14.0:1 (19 FTE teachers).
What is the racial breakdown of students at Acero Chtr - Rufino Tamayo Elementary School?
At Acero Chtr - Rufino Tamayo Elementary School, the student body is approximately 100% Hispanic.
Is Acero Chtr - Rufino Tamayo Elementary School public or private?
Acero Chtr - Rufino Tamayo Elementary School 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.