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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

Registrar Office Hours
Monday - Friday
8:00 am - 3:00 pm

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.

Questions About This Site?

We appreciate your feedback! Please e-mail Secretary Sara Wright with any suggestions or questions.

Halloween Spirit Week
Halloween Spirit Week
Parent Survey

Thank you to everyone who has responded so far to our Parent Survey! Congratulations to the family of tenth grader Alejandra Martinez, winners of a $50 Target Gift Card, and thank you for your participation!

There's still time to provide feedback by filling out the survey.

Next week we will hold another raffle for another gift card! We would love to hear from you.

¡Gracias a todos los que han respondido hasta ahora a nuestra Encuesta para padres! ¡Felicitaciones a la familia de la alumna de décimo grado Alejandra Martinez, ganadora de una Tarjeta de Regalo Target de $50, y gracias por su participación!

Todavía hay tiempo para proporcionar comentarios completando la encuesta.

¡La próxima semana realizaremos el sorteo de otra tarjeta de regalo! Nos encantaría saber de ustedes.

Senior Portraits

Senior Portraits are being held from 3:00 pm to 8:oo pm from Monday, October 18 to Thursday, October 21 in Romaine Hall. 

Be sure to arrive at your designated appointment time (see the 2nd link below for your appointment). 

Contact Lifetouch with any scheduling or photo concerns: or 1-877-825-7922 

School Pictures

Purchase your school photos by following the link below and using the code EVT9W67ZX.

School Site Council

Congratulations to the winners of the Mt Diablo High School Site Council Elections. Ella Alexander and La Tisha Washington have been elected to represent parents and community members. Flavio Cuevas Jr. and Andrea Valle have been elected to represent students. Hayley Davis, Elizabeth Ennis, and Lorie Johnson have been elected to represent teachers.

The next meeting of the Mt Diablo School Site Council will be Tuesday, October 12 at 5:45 pm in person in the MDHS Library.  The agenda for the meeting is available on the Site Council website.

  Elizabeth Ennis (925) 682-4030 ex: 3430 Teacher
New Spirit Gear On Sale

T-ShirtGet your 2022 Red Devil Spirit Gear now! Purchase items with the Treasurer in the Main Office or on the school website. Pick Up in M1 Before School, Brunch or Lunch. 

Maroon T's: $20 or $15 w/ ASB Membership

Maroon Hoodies: $30 or $25 w/ ASB Membership

You can also purchase PE clothes and other items online through the MDHS Webstore!

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.

School Calendar
MDUSD YouTube Channel

Subscribe to the MDUSD YouTube channel!

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.