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Michael DeFrancesco
Principal, MJHS
(925)335-5820 x2000


Vice Principals

Katie Sanchez
Students A-L
(925) 335-5820 x2021

Zachary Pless
Students M-Z
(925) 335-5820 x2022


To anonymously report a bullying incident  click here or call (925) 335-5888.  You can also send a text message to 925-727-DONT (925-727-3668).

Remind Text Message Updates: text (925) 297-6092 code @0dc3e to sign up

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MJHS Bullpup Daily Bulletin

Watch the daily bulletin here.

Join The PTSA!

If you haven't joined the PTSA, please do so!  Click here for the information on joining.

rainbow.JPG September Students of the Month imagesCAZF88TX.jpg photo (18).JPG Door Pic 3 photo (17).JPG Bull Pup 1.jpg photo (19).JPG BullDog_Puppy3_by_VictoriaR.jpg photo (20).JPG Bull Pup 2.jpg photo (21).JPG Bull Pup 4.jpg Bull Pup 3.jpg

Award for our Recycling Program

The City of Martinez has honored MJHS with the "2015 Paving the Green Path Commercial Recycling Award."  Over the past two years MJHS has reduced its trash heading to the landfill by 50%.  Huge thanks to all the staff members who made this possible.  

Nepal Earthquake Fund a Success

A BIG thank you to all of you who supported our Nepal Fundraiser!  We collected $1,635.77 - WOW!!! Our original goal was $1,000. Our school is amazing and our donation to the Red Cross will make a difference to the kids and families in Nepal! You gave from your heart and lent a helping hand!

Math Olympics

Students participated in a day of "Math Olympics" events to generate their own data set that they would analyze and use to learn the 6th grade math standards related to Statistics.  Using the data we generated, students learned to calculate Mean, Median and Mode.  Students learned how to analyze variability in data (Box Plots, absolute deviation, Interquartile Range, etc....)  See this worksheet
Students had to figure out a way to display the data to "prove"  that their teacher won the Math Olympics.  (Using data and evidence to back up a claim/argument and measures of central tendency (mean and/or median).   We also learned about how graphs can be manipulated to tell whatever story you want  (See this Youtube playlist).  Each student had to take the data and create a graphical representation to show their teacher won the "Math Olympics".  

Tech Club + Donors Choose = 3D Printer


The Tech Club at MJHS is comprised of a bunch of talented, enthusiastic and downright nerdy middle schoolers whose goals is to purchase a 3D printer for use at the school. Please help them reach their goal by making a donation at Donors Choose; you can get to their website by clicking here.

Promotion Leis and/or Kukui Nut Leis

Order your 8th grade promotion Leis from the link below

and our ASB gets 25%  of the proceeds. 

Delivery of Leis will take place Wednesday, June 10 and Thursday, June 11.

Location and time will be determined closer to promotion date. 


Sample images of kukui necklaces and flower leis:



13th Annual Bull Pup Boy's Summer Basketball Camp

The 13th annual Boy's Bull Pup Basketball camp will be held this year during the week of June 22 thru June 26. It will be held at the Junior High in the gym and multi-use room. Boys entering 3rd, 4th, and 5th grade will go 11:30 – 2:30 and boys entering 6th, 7th, and 8th grade will follow from 3:00 – 6:30. Cost is $120.00. For a brochure or more information on the basketball camp contact Coach Mark Duarte at (c) 925 360-3565 or (w) 925 335-5820 ext.2510.

7th Annual Bull Pup Girl's Summer Basketball Camp

The 7th annual Girl's Bullpup Basketball camp will be held this year during the week of June 29 thru July 3. It will be held at the Junior High in the gym and multi-use room. Girls entering 3rd, 4th, and 5th grade will go 10:00 – 1:00 and girls entering 6th, 7th, and 8th grade will follow from 1:30 – 4:30. Cost is $120.00. For a brochure or more information on the basketball camp contact Coach Mark Duarte at (c) 925 360-3565 or (w) 925 335-5820 ext.2510.

MJHS has been awarded the Gold Ribbon from the State of California's Department of Education


Gold Ribbon Award.pdf 

Information on Measles

A letter from Erika Jenssen MPH, Communicable Disease Program Chief.  Click hereen Español

Earn .5% Back for MJHS When Shopping on Amazon

Please help MJHS get back easy money when shopping on Amazon!  

  • Amazon donates 0.5% of the price of your eligible AmazonSmile purchases to the charitable organization of your choice.
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  • Support your charitable organization by starting your shopping at Amazon

Read A Letter From Ms. Rossi Regarding Attendance

Click here to read a letter from Ms. Rossi--Director of Students Services regarding attendance during the Holidays.

Authorization to Administer Medication at School

Attached is the form that authorizes school personnel to administer medications to students.  Parents who want their students to receive prescription or over-the-counter medications at school must submit this form.  Please submit to the student services office. Click here for the authorization form

MJHS is a Gold Ribbon School

Gold Ribbon.jpg

Teacher Webpages

Teacher Webpages

(by Department)

Check each teacher webpage for student assignments.

MJHS Twitter

End of Year Permission Slips

SBAC Testing Info

For spring 2015 SBAC Information click here

Notice of safe storage of firearms

To help everyone understand their legal responsibilities, the attached memo to your email spells out California law regarding the storage of firearms.  Please take some time to review this memo and evaluate your own personal practices to assure that you and your family are in compliance with California law.  Thank you for helping to keep our children and schools safe

California Law Regarding Safe Storage of Firearms.pdf

Spanish Memo Gun Safety.pdf