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Mt Diablo High School

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Office Hours

Regular Office Hours
Monday - Friday
7:30 am - 4:00 pm

Main Office Number: 
(925) 682-4030, extension 3490

Support Staff Contacts

Absence Reporting

If your child is going to be absent, please contact the Attendance Office at (925) 682-4030 ext. 3445


Sign into the HomeLink Parent  Portal to check student grades, test scores, attendance, as well as other contact and registration features.

If you haven't activated your account yet, contact the front office at 682-4030 x3490 for your verification code. Click here for instructions to create your Homelink account.

Work Permits

To obtain a work permit, download this Request for Work Permit form or pick one up from the front office, complete it and return it to the office.

We will send it to the District Office for processing and they will call you at the number on your form when the permit is ready to be picked up from the District Office.

2021/2022 Yearbook

2021/2022 Yearbooks – Order your 2021/2022 Yearbook as soon as possible. The only way to guarantee a Yearbook is to pre-order one. There is a limited stock and it will sell out! Don’t miss out!

Order your 2021/2022 Yearbook today!

There are 3 ways to order:

1. The Mt. Diablo High School Webstore:*

2. The Yearbook Order Center: YEARBOOKORDERCENTER.COM (Order #7773)

3. The Treasurer’s Office*

$65 w/ASB, $75 w/out, Prices Go up Monthly or until the order sells out.

** ASB Discount only applicable here

January Art Contest

To celebrate the opening of our new, improved library, we will be starting a monthly art contest (with prizes!) so we can show off the talent of our incredible students. Click Below for more info:

Winter Semi-Formal

Winter Dance

Join us for the Winter Semi-Formal. Tickets are on sale now. Permissions slips must be turned in to the Treasurer's Office within 48 hours of purchase. Semi-formal dress required.

No Refunds!

Graduation Orders

Graduation supply orders are open now. Online ordering is available or order in person on Friday, February 4 at lunch in Romaine Hall. 

Families will want to purchase their cap and gown units (cap/gown & tassel) for $32 by February 15, 2022.

After this day a special processing fee of $15 is added for late shipping and handling. We will also send out text message reminders to the students in efforts to help get them the best possible pricing.

Senior Portraits

Check the information below about ordering your Senior Portraits. 

Distance Learning Opportunities 2021-22

All eligible students have the option of participating in independent study if their parent/guardian determines that the child’s health would be at risk by returning to in-person instruction. 

Assembly Bill 130 also provided new guidance regarding synchronous instruction and daily live interaction for all students participating in independent study, both current and prospective.

Horizons Home Study, Horizons Independent Study and Home & Hospital Instruction are still available to families if your child is eligible to participate. The updated application for Independent Study (virtual learning) is located on the Horizons Home Study and Center for Independent Study websites:

The recorded video of the information session is HERE.

A Q & A including questions and answers from the session in English is HERE. A Spanish translation of the Q & A is HERE.

Upcoming Student Activities

Tickets for the Senior Picnic and the Senior/Junior Prom are now available. Tickets may be purchased at the Treasurer's Office or on the MDHS Webstore. Webstore purchases must be followed by completion of permission slips within 24 hours. Completed slips go to the Treasurer, as well. 

School Calendar
MDUSD YouTube Channel

Subscribe to the MDUSD YouTube channel!

Coffee with the Principal

ParentSquare logo
Parents/Guardians, be sure to activate your ParentSquare account so that you get the latest news and information from MDHS! Sign up using your e-mail address that you provided during registration.

MDUSD Parent Information Packet

The 2021-22 Parent Information Packet (PIP) includes a variety of important information for parents and guardians regarding Districtwide expectations, resources and forms.   The PIP is currently available online in English and the Spanish version will be available shortly.  Please visit the Student Services Department page.

You may also view the PIP here.