Grant Union High

Grant Union High is one of the heavily attended four-year high schools in Sacramento, California, one of the schools within Twin Rivers Unified, with 1,987 students on its rolls from grades 9 through 12. Enrollment runs roughly 137% bigger than the state mean of about 838.

Grant Union High is one of 44 schools operated by Twin Rivers Unified, a district that educates 24,770 students overall.

Demographically, Grant Union High lists that the most-represented group is Hispanic (50%), with the rest of the student body spread across multiple groups. Other groups include 20% Asian, 16% Black, 6% multiracial, 5% White. That is meaningfully more Hispanic than the county at large, where the share is closer to 24%.

On the income-and-resources front, On paper, Grant Union High has 98 full-time-equivalent teachers, translating to a class-load average of around 20.2:1. Statewide, the average ratio sits near 18.2:1, putting Grant Union High higher than the state norm the norm. An estimated 91% of students are eligible for free or reduced-price lunch, often used as a Title I proxy. Set against Sacramento County (around 63%), the school's rate is noticeably above typical.

After controlling for student poverty, Grant Union High tracks the demographic baseline. The model predicts 25.1% given the school's FRL share; actual proficiency is 26.4%.

Around the school, Sacramento County reports that median household income runs about $92,175, roughly 34% of adults have completed at least a four-year degree, and the poverty rate sits near 9%. Grant Union High is one of 387 public schools in Sacramento County (combined enrollment of about 259,342 students).

The closest other public school is California Innovative Career Academy, roughly 0.1 miles away. Within five miles, there are 8 other public schools. On composite proficiency, Grant Union High comes 1st of 4 in the immediate cluster, higher than the nearby-schools average of 19.2%.

Geographically, the school is in a metropolitan area.

Five-year trend. Over the past 7-year window, the student count increased 3%: 1,934 students in 2018 compared to 1,987 in 2025. Black enrollment moved from 20% to 16% across the same window. Class-load math has pulled in: from 22.2:1 in 2018 to 20.2:1 in 2025.

On this page, members of the Grant Union High community share and discuss pickup logistics, teacher feedback, and after-school programs. The community welcomes input from current and former families.