YCCS-Sullivan House Alt HS

YCCS-Sullivan House Alt HS, a very small four-year high school in Chicago, Illinois, operated by Chicago Public Schools Dist 299, enrolls 281 students, covering grades 9 through 12. Enrollment runs roughly 66% leaner than the state mean of about 834.

YCCS-Sullivan House Alt HS is one of 622 schools operated by Chicago Public Schools Dist 299, a district that teaches 324,396 students overall.

On the student-mix side, YCCS-Sullivan House Alt HS lists that nearly all students (90%) are Black. The remainder comes out to 9% Hispanic. That is visibly more Black than the county at large, where the share is closer to 22%.

Looking at the economic backdrop, The school reports having 8 full-time-equivalent teachers, for a student-teacher ratio near 35.1:1. That figure is higher than the state norm's 13.8:1 average. Around 98% of the student body qualifies for free or reduced-price meals, which schools and policymakers use as a rough income-mix signal. Set against Cook County (around 66%), the school's rate is noticeably above typical.

On a demographically-adjusted basis, YCCS-Sullivan House Alt HS is in the bottom 10% of Illinois public schools. The BeatsExpectations model predicts schools with this FRL share to land around 14.8%; YCCS-Sullivan House Alt HS posts 0.8%, -14.0 points below that line.

Around the school, census data for Cook County shows median household earnings sit near $83,498, roughly 43% of adults have completed at least a four-year degree, and the poverty rate sits near 10%. In all, Cook County runs 1406 public schools (combined enrollment of about 697,934 students), of which YCCS-Sullivan House Alt HS is one.

Mann Elem School is the nearest neighboring public school, about 0.3 miles from this campus. 8 of the 8 nearest public schools sit inside a five-mile radius. Among the 9 schools in that immediate cluster with test data (this one included), YCCS-Sullivan House Alt HS ranks 9th on composite proficiency, below the local average of 22.2%.

YCCS-Sullivan House Alt HS operates from a high-density location. As a public charter, YCCS-Sullivan House Alt HS runs on public funding but with greater curricular and operational autonomy than a typical district school.

Trend over the last 7 years. Over the past 7-year window, the student count fell 18%: 344 students in 2018 compared to 281 in 2025.

Inside the community feed, the feed for YCCS-Sullivan House Alt HS typically covers pickup logistics, teacher feedback, and after-school programs. Members of the school community can share what they know.