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We currently have 1 student vacancy open on the School Site Council. Student voices are an important part of the Council. Decisions about our school programs are discussed and made at these important meetings. The School Site Council meets once a month on the second Tuesday from 5:45 to approximately 7:00pm in the library. If you are interested in running for election to the School Site Council, nomination forms are available starting Tuesday September 5th in the office or in Ms. Ennis' room, AC53. Nominations will be accepted until 3:30pm Tuesday, September 19th. Join Site Council and help make this school year outstanding. Please see Ms. Ennis if you have any questions.


Mondays and Wednesdays 5:30-7pm at the track. Bring running shoes, cleats, shin guards, and water. If anyone has any questions they can call or text Coach Ron at 925-437-4514.


On October 3rd, girls basketball will being having their first conditioning practice. We will condition every Tuesday and Thursday 4:15-5:45 and meet by the outside basketball courts. Girls should bring running shoes and water. See you there!


Questions about this site?

We always love feedback and we occasionally make mistakes. Let us know. 

Email our Leadership Advisor any time:


Purchase New MDHS Gear

Purchase your NEW MDHS gear today!  

Sweatshits are only $25 w/ASB Membership, $30 w/out

Shirts are only $15 w/ASB Membership, $20 w/out


Purchase from the Treasurer's Office, Pick Up in M2


Purchase on the Quad on Fridays. 

Supplies are limited.

Principal's Message

Dear Parents and Guardians,

Welcome back to the 2017 – 2018 school year. It is with great pride and excitement that I write this letter of introduction to you as the newly appointed Principal of Mt. ...more

Site Council Parent Reps



Congratulations to Beverly Johnson and Letcia Quezada.  They have been elected as to represent parents and community members on the MDHS  Site Council.  The first school site council meeting will be Tuesday, October 10 at 5:45  pm in the MDHS library.

Weekly Calendar

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Text Books

Book Clipart.png

Students please be aware that you will be charged for damages to the book if you did not fill out a textbook condition report, when you got the book. 

Now is the chance for you to take care of this, come get a form from the library front counter or from the IMC. Fill it out and give it to Mrs. Shirley before you are billed.

If you need to replace a lost or stolen book please come and see Mrs. Shirley in IMC for info that may save you money and time.

Before you return your book –

            Remove covers

            Remove outside name labels

            Remove sticky notes from inside

            Remove pencils and pens and papers from inside

            Look for and cleanup any writing or drawing.

            Place a sticky note hanging out where it needs repair -  for torn pages, needs glued, and any other damage that needs attention.

Textbook Policy 201617noheader 20161208071101917.pdf

Student Absences

Students, don't get the label of "Truant". 


If you are absent, make sure your parents call the school and clear your absences! Have them call

925-682-4030 ext. 3445.

2450 Grant Street
Concord, CA 94520
Phone - 925 682 4030
Fax - 925 687 9658

Office Hours

Regular Office Hours

7:30 am - 4:00 pm

Support Staff

Today: 9/19/17
4:00 PM Girl's Tennis - Alhambra @ Mt. Diablo


Are you updated on our sports?

Library hours

The Library will be available on Thursdays and Fridays from 7:45 a.m. to 3:30 p.m. Come prepared with a student ID to check out a maximum of 3 books. Become lost in worlds that you can only discover by reading a book!