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De Anza Middle

1450 South Sultana Ave., Ontario, CA, 91761

About De Anza Middle

De Anza Middle School, at 1450 South Sultana Avenue in Ontario, CA 91761, serves students in grades 7 through 8. The school enrolls approximately 504 students. The student–teacher ratio is about 16:1. Enrollment reflects a gender mix of roughly 53% male students and 47% female students. According to state assessment data, about 33% of students meet math proficiency standards, and around 42% meet reading benchmarks on recent statewide tests. The campus operates as a public middle school in the Ontario-Montclair School District, providing core instruction for its two middle grade levels. Built in the mid-20th century, the school continues to serve the urban core of Ontario with a longstanding presence in the district. Attendance for this campus is arranged through district boundaries that tie into the Ontario-Montclair attendance map for its feeder grade patterns. Single-family homes in this section of Ontario typically list in the low-$600,000 range, influenced by proximity to downtown Ontario amenities and Inland Empire employment links. The school operates within the broader public education landscape often referenced in discussions of the top middle schools in California, where its district role balances enrollment scale with a central urban location and core instructional continuity contributes to the middle grade experience.

De Anza Middle Contact Information

Address

1450 South Sultana Ave., Ontario, CA, 91761

View on Map

Phone

(909) 986-8577

Call Now

Website

omsd.net

Academic Performance

Subject Proficiency

Mathematics 33%
Reading 42%
State average proficiency is 33% in Math and 42% in Reading.
31
Full-time Teachers
16 : 1
Student-Teacher Ratio
1
Teachers In First Or Second Year (yrs)
504
Total Students
$58409
Avg. Teacher Salary
TOP 2802 IN STEM IN STATE

Robotics & STEM
at De Anza Middle

2.5X
More likely to pursue STEM Careers
80%
Jobs that will require STEM in 2030
2.5X
More likely to persue STEM Careers
80%
Jobs that will require STEM in 2030
  • 🤖 Coding & Debugging
  • 🧪 Hobby Electronics and Engineering
  • 👩‍💻 Apply Math in Science and Engineering
  • 🛠️ 3D Printing
🚀
Hands-on with real robots
🏆
Led by competition winners
🎓
STEM career pathways

Recent News & Updates

New Playground Name

We are so excited to announce the name of our new playground! Following a school-wide and Robinson community vote we narrowed a large list of names down to four. Since our students will be using the playground on a daily basis, we gave them the final vote! 476.....

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Mansfield Public Schools Educator Spotlight: Pathways of a Fourth-Grade Teacher

MANSFIELD — Inside the brick building on East Street, four educators who began teaching within 2 years of each other, all spending the beginning of their careers teaching fourth grade at Jordan/Jackson Elementary School...

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School Timings

Regular School Hours

All Grades: 8:00 AM - 3:00 PM

Early Dismissal Days

Dismissal Time: 12:15 PM

Note: Doors open at 7:45 AM for student arrival. Please refer to the school calendar for specific early dismissal dates.

After School Activities

Information coming soon

School Session Dates

September to June

School session starts in September 1st week and ends in June 3rd week. For exact dates, please contact the school.

Student Demographics

White 1.19%
Asian 1.59%
Hispanic 94.44%
Black 1.98%
Two+ Races 0.2%
Native Am. 0.4%
White
1.19%
Asian
1.59%
Hispanic
94.44%
Black
1.98%
Two+ Races
0.2%
Native Am.
0.4%

Gender Distribution

Total Students: 504
46.63%
235 Female
53.37%
269 Male

Student Population

504 Students

With a student-teacher ratio of 16 : 1

Minority Enrollment

25%

Percentage of minority students

Students per Counselor

252 : 1

Student to counselor ratio

Remarkable Alumni

Being Updated

Map

Latest News

The 2025 California School Dashboard says that De Anza Middle had a Green status for suspension rates and showed Accelerated growth in English Language Arts. The dashboard said that 4.4 percent of students were suspended and that 73.3 percent of students did better in English Language Arts this year than last year. These numbers show how states hold schools accountable for measuring school climate and academic progress.

FAQ

Q1. What does De Anza Middle School in Ontario mostly do?

Ans. De Anza Middle School focuses on structured academic intervention by adding reinforcement blocks to the master schedule to help students of all grades get better at math and reading.

Q2. What does De Anza Middle do to make sure that lessons are always the same?

Ans. Grade-level teams make sure that lessons are taught in the right order and that the right teaching methods are used by working together on planning cycles that focus on standards alignment.

Q3. What system at De Anza Middle helps students keep learning?

Ans. Calibrated mastery checkpoints help with targeted reinforcement efforts and keep track of how skills are improving.

Q4. What does De Anza Middle School do to help students learn how to be responsible?

Ans. Clearly defined performance expectations and organized campus roles help people be responsible for their actions both in and outside of school.

Q5. How does De Anza Middle School send out regular reports on students' progress?

Ans. Scheduled meetings, written academic reports, and digital notification platforms all send out regular updates on progress.

Games & Extracurricular Activities

Sports

  • Soccer Club Grades 1-3 | Mon/Wed 3:30-4:30pm
  • Basketball Grades 2-4 | Tue/Thu 3:30-4:45pm
  • Track & Field Grades 3-5 | Fri 3:30-5:00pm

Arts

  • Art Club Grades K-2 | Mon 3:00-4:00pm
  • Drama Club Grades 3-5 | Wed 3:30-5:00pm
  • Choir Grades 2-5 | Thu 3:15-4:15pm

Clubs

  • Chess Club Grades 2-5 | Fri 3:15-4:15pm
  • Garden Club All Grades | Tue 3:15-4:00pm
  • Robotics Club Grades 3-5 | Thu 3:30-5:00pm

Note: Schedules may change during school holidays. Please contact School for exact Schedule.

Summer Suggested Reading

Horn Book Selections

Vocabulary.com +3 Horn Book +3 What to Read to Your Kids +3
ML

Maggie Lou, Firefox

by Arnolda Dufour Bowes

PS

The Puppets of Spelhorst

by Kate DiCamillo

MLV

The Mona Lisa Vanishes

by Nicholas Day

Vocabulary.com Top Picks

Penguin Random House +10 Vocabulary.com +10 Wikipedia +10
F

Frindle

by Andrew Clements

WR

The Wild Robot

by Peter Brown

JGP

James and the Giant Peach

by Roald Dahl

Penguin Random House Features

Horn Book +2 Penguin Random House +2 The Guardian +2
SLB

The Secret Language of Birds

by Lynne Kelly

S

The Swifts: A Dictionary of Scoundrels

by Beth Lincoln

Free Robotics and Stem In-person Workshop in Your Neighbourhood for 7-14 Years Tech Enthusiasts.

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See the projects happening right in your neighborhood

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DISCLAIMER

The information provided about schools is for general reference only and may not be 100% accurate or up to date. We recommend contacting the respective school directly to confirm the latest details and ensure accuracy.