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Senn High School
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Grade 1 | 1 | 0% |
| Grade 9 | 451 | 29% |
| Grade 10 | 364 | 23% |
| Grade 11 | 367 | 23% |
| Grade 12 | 388 | 25% |
School pathway
BeatsExpectations
Demographically-adjusted score · methodologyWhat this means: About 33% of students here test proficient in math and reading, compared with the roughly 29% 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%.
Schools most like Senn High School
Senn High School's state test result (33.0% proficient) is higher than 4 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Senn High School this school | 1,571 | 73.6% | 33.0% |
| Sullivan High School Chicago | 762 | 77.6% | 11.0% |
| CICS - Northtown Campus Chicago | 878 | 74.5% | 23.1% |
| Von Steuben Metro Science High School Chicago | 1,698 | 61.2% | 45.9% |
| Mather High School Chicago | 1,777 | 78.4% | 23.1% |
| Rock Island High School Rock Island | 1,812 | 76.5% | 19.9% |
Where Senn High School ranks
Among high schools| Measure | This school | In Illinois | In Cook County |
|---|---|---|---|
| State test proficiency ranked highest first | 33.0% | #311 of 573 | #36 of 170 |
| Enrollment ranked largest first | 1,571 | #144 of 708 | #60 of 206 |
| Students per teacher ranked fewest first | 15.5:1 | #372 of 528 | #111 of 173 |
| Diversity index ranked most diverse first | 73.1% | #16 of 537 | #9 of 180 |
| Free and reduced lunch ranked highest share first | 73.6% | #137 of 578 | #116 of 171 |
| Enrollment change since 2017-18 ranked fastest growth first | +8.4% | #82 of 191 | #41 of 86 |
4-year change
SY 2020-21 vs SY 2024-25Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 1,571 | 101.3 | 15.5:1 | 74% (1,157) |
| 2023-24 | 1,516 | 107.8 | 14.1:1 | 74% (1,125) |
| 2022-23 | 1,583 | 106.8 | 14.8:1 | 73% (1,154) |
| 2020-21 | 1,682 | N/A | N/A | N/A |
| 2017-18 | 1,449 | 97.3 | 14.9:1 | 81% (1,178) |
| 2015-16 | 1,346 | 86 | 15.7:1 | 83% (1,117) |
| 2010-11 | 1,042 | 69 | 15.1:1 | 100% (1,039) |
| 2000-01 | 1,766 | 123 | 14.4:1 | N/A |
| 1990-91 | 2,083 | 130 | 16.0:1 | N/A |
Since 2017-18: students up 8% (1,449 to 1,571); teachers up 4% (97.3 to 101.3).
About Senn High School
Senn High School is classified as a high school. It is located in Chicago, Illinois. The school counted 1,571 students in 2024-25, covering grades 9 through 12. It has 88% more students than the average for high schools in Illinois (about 834).
Senn High School falls under Chicago Public Schools Dist 299, which has 622 schools enrolling 324,396 students.
About 40% of students at Senn High School are Hispanic, the largest single group. After that, the student body is 24% Black, 18% White, 14% Asian, and 3% multiracial. Among all residents of Cook County, the Hispanic share is about 27%. Its diversity index, the chance that two randomly chosen students belong to different racial or ethnic groups, is 73%.
With 101.3 full-time-equivalent teachers, the student-to-teacher ratio is about 15.5:1. High schools in Illinois have an average ratio of 13.8:1. Student poverty is often measured by lunch eligibility; at Senn High School, 74% qualify for free or reduced-price lunch.
A school with Senn High School's lunch-eligibility share in Illinois is predicted to score 29.0%. Senn High School scores 33.0%, 4.0 points above that line.
The county, Cook County, is where the school is located. The median household earns about $83,498 a year, the share of adults with a bachelor's degree or higher is 43%, and about 10% of people live in poverty. Counting Senn High School, Cook County has 1,406 public schools.
Senn High School's closest public school neighbor is Peirce Elementary Intl Studies School, about 0.4 miles away. Counting only straight-line distance, at least 8 other public schools are within five miles. Among its closest neighbors with test data, Senn High School is 4th of 9 on proficiency.
Its location is classified as City: Large by the National Center for Education Statistics.
By 2024-25, enrollment had dropped to 1,571, from 1,682 in 2020-21.
Senn High School has a community page on allk12 for topics such as pickup and drop-off, after-school programs, and teacher feedback. Teachers and staff are welcome to share updates too.
Cook County at a glance
View full county profileQuick facts
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