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If you are interested in enrolling, please click here to complete a brief application. An admissions representative will contact you to schedule an appointment. 




Delta Charter School

(Established 2001)

Delta Charter Elementary School

31400 S. Koster Road, Tracy

Delta Charter High School
31400 S. Koster Road, Tracy

Delta Aerospace/Technology Academy
30 Learning Lane, Brentwood



Delta Charter Online

(Established 2014)

DCO Elementary School

1301 W. Durham Ferry Road, Tracy

DCO High School
1301 W. Durham Ferry Road, Tracy

Delta Keys (Adults)

1301 W. Durham Ferry Road, Tracy


It is time for High School Auditions!

Click here for more information. 

High School Basketball Schedule

Click here to download your copy of the current schedule. 

Office 365 

Students in need of Office 365 may click here and complete the request form. This Microsoft software will be available for students to use while they are enrolled with us.


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For information on Senior Portraits and ordering your 2014-2015 yearbook please click here

Watch Delta Dragons

Basketball Home Games Live!

Season schedule here

Watch games live here


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Click here to download the order form. 

Delta Charter School's Newsletter Quick Links

For Delta Charter High School click here 

For Delta Charter Elementary School click here 

For Delta Charter Online click here

For DATA click here 

Delta Charter Schools Important News

Delta Charter High School​​

  • Winter Sports have started: see Mr. Niemi for details
  • Martin Luther King Jr. Holiday – Monday, January 19th
  • March 6: Senior Breakfast 9:30 am



  • Students Taking Spanish – Mrs. Bauer will be supporting these students through specific office hours, suggested practice activities, and online discussions. 
  • Sign-ups for spring sports are being accepted.  Please contact Mr. Neimi rneimi@njes.org
  • Martin Luther King Jr. Holiday – Monday, January 19th
  • Senior Breakfast will be held at our Koster campus on Friday, March 6th


Delta Charter Elementary

  • 8th grade field trip Thursday to CSU East Bay in Hayward
  • Movie Night Teenage Mutant Ninja Turtles Friday at 7 pm in New Jerusalem gym
  • Talent Show applications due January 30
  • February 5 7th grade field trip to CSU East Bay in Hayward
  • February 12 Valentine’s Day Dance 2-3 pm 



Delta Charter Online

  • Booster Cards for sale in Delta Charter Office
  • Feb. 20: 2nd Annual Winter Gala 
  • March 6: Senior Breakfast 9:30 am
  • Wrestling has begun: see Mr. Pombo for details
  • Students are required to wear their IDs and lanyards while they are at school



Delta Charter School


Delta Charter Online

Bullying Hotline


Leave message for investigations:
209.830.6363 ext. 2300


Click here to see Delta Charter Schools Anti-Bullying Pledge


Commend a Delta teacher

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