Delta Sierra Middle

Located at 2255 Wagner Heights Rd., in Stockton, California, Delta Sierra Middle is a mid-tier junior high that serves 563 students (grades 7 through 8), operated by Lodi Unified.

Lodi Unified comprises 46 schools with combined enrollment of 27,047 students; Delta Sierra Middle is among them.

Looking at the student body, Delta Sierra Middle lists that the largest single group is Hispanic at 44%, but no single group is in the majority. Other groups include 25% Asian, 16% Black, 7% multiracial, 6% White. Compared to San Joaquin County overall, the school's racial mix sits in roughly the same range.

In terms of school funding signals, Delta Sierra Middle reports 30 full-time-equivalent teachers, putting the student-to-teacher ratio at about 18.5:1. Statewide, the average ratio sits near 20.7:1, putting Delta Sierra Middle tighter than the state norm the norm. Roughly 93% of students at Delta Sierra Middle qualify for free or reduced-price lunch, a commonly cited indicator of low-income enrollment. By comparison, San Joaquin County runs at roughly 66%, so the school's eligibility rate is meaningfully above the surrounding baseline.

With demographic context factored in, Delta Sierra Middle tracks the demographic baseline. The model predicts 24.4% given the school's FRL share; actual proficiency is 15.1%.

Around the school, ACS estimates for San Joaquin County put median household income runs about $92,179, 23% of adults hold a bachelor's degree or higher, and roughly 10% of residents live below the federal poverty line. Delta Sierra Middle is one of 251 public schools in San Joaquin County (combined enrollment of about 153,026 students).

Nearest neighbor: Plaza Robles Continuation High, around 0.2 miles off. Within five miles, there are 8 other public schools. On composite proficiency, Delta Sierra Middle comes 6th of 7 in the immediate cluster, behind the nearby-schools average of 38.5%.

Delta Sierra Middle operates from a high-density location.

Looking at the recent track record. Looking back 7 years, enrollment at Delta Sierra Middle has declined 14%, going from 656 students in 2018 to 563 in 2025. Hispanic enrollment moved from 34% to 44% across the same window. The student-to-teacher ratio narrowed from 22.2:1 in 2018 to 18.5:1 today.

In the discussion threads here, posts here usually surface around science fair prep, picture-day reminders, and bus-route questions. Anyone with firsthand experience at this school can post or comment.