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Delta Sierra Middle

Public Grades 7-8
2354th
SchoolDigger Rank ?
of 2,761 California Middle Schools
Better than 15% of California middle schools
Summary

Delta Sierra Middle is a public school serving about 560 students in grades 7 and 8 within the Lodi Unified School District in Stockton, facing significant academic and attendance challenges that set it apart from neighboring schools.

The school's academic performance is well below state and district averages, with fewer than 27% of students proficient in English and only about 15% proficient in math. A primary concern is chronic absenteeism, with over 40% of students missing significant school time—a rate more than double the state average and nearly double that of other local middle schools like Christa McAuliffe Middle and Morada Middle. This high level of missed instruction creates a major barrier to learning. While the school serves a community with high economic need, it also receives more funding per student than several higher-performing schools nearby, indicating that resources alone are not solving the core issues.

Interestingly, Delta Sierra Middle is located very close to schools with dramatically different outcomes, such as the exceptional Elkhorn School, highlighting how educational experiences can vary greatly within the same area. The school's challenges are consistent across all student groups, and its low statewide ranking has persisted for years, suggesting deep-rooted systemic issues that require comprehensive, targeted support to address attendance, engagement, and academic achievement.

563
Students ?
18.5
Student/teacher ratio ?
$16,394
Per pupil spending ?
92.5%
Free/discounted lunch ?
 2255 Wagner Heights Rd.
       Stockton, CA  95209-4700

(209) 953-8510

District: Lodi Unified


Students who attend Delta Sierra Middle usually attend:

High:    Bear Creek High

Feeder schools for Delta Sierra Middle:

Elementary:    Creekside Elementary
    Oakwood Elementary
    Parklane Elementary
    Sutherland Elementary
    More...
Racial breakdown:

Hispanic:
44.2%
Asian:
25.2%
African American:
16.2%
more
 See top rated California middle schools

 Compare Delta Sierra Middle to nearby middle schools!
At a glance
Ranking trend: Improving — 8th percentile in 2015 → 15th in 2025
Strengths
Ranking is trending up — up 7 percentile points since 2015
Worth a look
!Test scores below the California average (19% vs 41% meeting standards)
!In the lower quartile statewide (15th percentile)
!High chronic absenteeism (41% vs 19% California)
Students meeting standards (2024-2025) ?
This school19%
District avg32%
California avg41%
2,354th of 2,761
California public middle schools ?
Bottom 15%▲ up 7 pts since 2015
From bottom 8% (2015) to bottom 15% (2025)
See the entire ranking list of California Middle Schools →
SchoolDigger rating ?
6th of 6Middle Schools in the Lodi Unified
980th of 1,543Lodi Unified among California districts
Statewide rank percentile over time (100 = the top-ranked school in the state; click a legend item to add a student group)
Show full rank history (all student groups)

All Students

YearAvg scoreStatewide rankCalifornia percentileRating
202517.02354 of 276114.7%★☆☆☆☆
202413.82524 of 27839.3%☆☆☆☆☆
202313.12571 of 27817.6%☆☆☆☆☆
202214.02492 of 27409.1%☆☆☆☆☆
202112.2846 of 8945.4%☆☆☆☆☆
201914.52399 of 271511.6%★☆☆☆☆
201817.42094 of 248015.6%★☆☆☆☆
201717.22137 of 250814.8%★☆☆☆☆
201614.32222 of 249711.0%★☆☆☆☆
201512.22287 of 24777.7%☆☆☆☆☆
201323.11923 of 237919.2%★☆☆☆☆
201230.41623 of 225928.2%★☆☆☆☆
201123.81807 of 223619.2%★☆☆☆☆
201025.21713 of 217921.4%★☆☆☆☆
200926.21571 of 206323.8%★☆☆☆☆
200816.51760 of 200512.2%★☆☆☆☆
200719.11666 of 199916.7%★☆☆☆☆
200617.71545 of 180414.4%★☆☆☆☆
200517.71508 of 177715.1%★☆☆☆☆
200426.51280 of 176927.6%★☆☆☆☆

African American

YearAvg scoreStatewide rankCalifornia percentileRating
202519.0533 of 60912.5%★☆☆☆☆
202420.9542 of 62713.6%★☆☆☆☆
202322.5516 of 61315.8%★☆☆☆☆
202219.0563 of 63711.6%★☆☆☆☆
201917.3590 of 6438.2%☆☆☆☆☆
201818.7533 of 60011.2%★☆☆☆☆

Asian

YearAvg scoreStatewide rankCalifornia percentileRating
20253.0709 of 7394.1%☆☆☆☆☆
20241.1732 of 7431.5%☆☆☆☆☆
20231.2707 of 7151.1%☆☆☆☆☆
20221.4723 of 7331.4%☆☆☆☆☆
20191.7731 of 7451.9%☆☆☆☆☆
20182.4679 of 7003.0%☆☆☆☆☆

Disabled

YearAvg scoreStatewide rankCalifornia percentileRating
202220.81428 of 15316.7%☆☆☆☆☆
202128.7274 of 35422.6%★☆☆☆☆
201923.41284 of 149113.9%★☆☆☆☆
201821.41267 of 13697.5%☆☆☆☆☆

English Language Learner

YearAvg scoreStatewide rankCalifornia percentileRating
202436.7859 of 147841.9%★★☆☆☆
202326.11433 of 15215.8%☆☆☆☆☆
202247.0550 of 154064.3%★★★☆☆
202132.6286 of 36321.2%★☆☆☆☆
201932.9970 of 144232.7%★★☆☆☆
201831.1945 of 136430.7%★★☆☆☆

Female

YearAvg scoreStatewide rankCalifornia percentileRating
202516.52222 of 253312.3%★☆☆☆☆
202416.22257 of 255111.5%★☆☆☆☆
202313.62355 of 25317.0%☆☆☆☆☆
202213.42331 of 25097.1%☆☆☆☆☆
202111.5709 of 7383.9%☆☆☆☆☆
201916.12068 of 238013.1%★☆☆☆☆
201815.81983 of 226212.3%★☆☆☆☆

Hispanic

YearAvg scoreStatewide rankCalifornia percentileRating
202519.72021 of 239515.6%★☆☆☆☆
202416.72126 of 238811.0%★☆☆☆☆
202314.82190 of 23747.8%☆☆☆☆☆
202215.12178 of 23597.7%☆☆☆☆☆
201915.72007 of 22139.3%☆☆☆☆☆
201816.41854 of 207210.5%★☆☆☆☆

Low Socio Economic Status

YearAvg scoreStatewide rankCalifornia percentileRating
202522.12061 of 254218.9%★☆☆☆☆
202418.02257 of 257912.5%★☆☆☆☆
202317.42275 of 253110.1%★☆☆☆☆
202215.92254 of 24588.3%☆☆☆☆☆
202117.2667 of 7217.5%☆☆☆☆☆
201919.02054 of 236913.3%★☆☆☆☆
201820.91865 of 223016.4%★☆☆☆☆

Male

YearAvg scoreStatewide rankCalifornia percentileRating
202517.22192 of 253413.5%★☆☆☆☆
202411.62423 of 25525.1%☆☆☆☆☆
202313.22357 of 25387.1%☆☆☆☆☆
202215.32279 of 25279.8%☆☆☆☆☆
202114.3716 of 7636.2%☆☆☆☆☆
201911.82257 of 24076.2%☆☆☆☆☆
201817.91934 of 227314.9%★☆☆☆☆

Military Connected

YearAvg scoreStatewide rankCalifornia percentileRating
20248.2183 of 1924.7%☆☆☆☆☆
202310.3188 of 1974.6%☆☆☆☆☆

Multi-racial

YearAvg scoreStatewide rankCalifornia percentileRating
202512.7643 of 72611.4%★☆☆☆☆
20244.6683 of 7012.6%☆☆☆☆☆
20238.9616 of 6779.0%☆☆☆☆☆
20229.5612 of 6658.0%☆☆☆☆☆

Special Education

YearAvg scoreStatewide rankCalifornia percentileRating
202521.21411 of 15669.9%☆☆☆☆☆
202422.61369 of 155211.8%★☆☆☆☆
202325.01261 of 153117.6%★☆☆☆☆

White

YearAvg scoreStatewide rankCalifornia percentileRating
202514.71327 of 152012.7%★☆☆☆☆
20249.81422 of 15377.5%☆☆☆☆☆
20235.51502 of 15432.7%☆☆☆☆☆
20224.31523 of 15552.1%☆☆☆☆☆
20198.61500 of 16026.4%☆☆☆☆☆
201815.91292 of 149613.6%★☆☆☆☆
How student groups rank statewide ? (each group's percentile vs the same group at other schools — higher is better; the +/- beside each compares the group with this school's overall percentile)
English Language Learner (2024)42nd percentile+33 vs school
Low Socio Economic Status (2025)19th percentile+4 vs school
Hispanic (2025)16th percentile~ school
Male (2025)13th percentile~ school
White (2025)13th percentile~ school
African American (2025)12th percentile~ school
Female (2025)12th percentile~ school
Multi-racial (2025)11th percentile-3 vs school
Special Education (2025)10th percentile-5 vs school
Disabled (2022)7th percentile~ school
Military Connected (2024)5th percentile-5 vs school
Asian (2025)4th percentile-11 vs school
By subject vs California (2024-2025) ?
English Language Arts/Literacy27%-22 vs state
Mathematics15%-22 vs state
Science9%-24 vs state

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What people are saying
by a teacher
Monday, April 11, 2022

Open Quote the kids here are super rude and the campus is so dirty the staff had once found rats in one of the classrooms do not let your kids come to this school ! Close Quote





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Frequently Asked Questions about Delta Sierra Middle

Delta Sierra Middle ranks in the bottom 14.7% of California middle schools.

Students who attend Delta Sierra Middle usually go on to attend Bear Creek High

Students at Delta Sierra Middle are 44% Hispanic, 25% Asian, 16% African American, 7% Two or more races, 6% White, 1% Pacific Islander.

In the 2024-25 school year, 563 students attended Delta Sierra Middle.


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SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau and the California Department of Education.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that boundaries are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.





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