Mary C. O'Brien Elementary School

Mary C. O'Brien Elementary School Contact information, map and directions, contact form, opening hours, services, ratings, photos, videos and announcements from Mary C. O'Brien Elementary School, Elementary School, 1400 N Eleven Mile Corner Road, Casa Grande, AZ.

It is the mission of MCOB Elementary School to develop and maintain a positive educational learning environment in which the full potential of the student can be realized.

09/09/2026

The first round of results for our Nickel Pickle fundraiser are in!

Here are the current Nickel Pickle totals:

1st place: First grade 475
2nd place: Second grade 170
3rd place: Third grade 139
4th place: Sixth grade 95
5th place: Pre-K 25
6th place: kindergarten -160
7th place: fifth grade -425
8th place: fourth grade -466

Continue to send in those nickels so we can find out which grade will come out on top!

Keep those nickels coming for our Nickel Pickle Fundraiser! Students are having a blast sabotaging other classes and str...
09/08/2026

Keep those nickels coming for our Nickel Pickle Fundraiser! Students are having a blast sabotaging other classes and strategizing their way to victory. The competition is heating up... Which grade level will come out on top? Keep sending in those nickels and let's find out!

The MCOB THROWBACK Spirit Shirt Fundraiser is now open! For a limited time, you can purchase spirit shirts featuring som...
08/24/2026

The MCOB THROWBACK Spirit Shirt Fundraiser is now open! For a limited time, you can purchase spirit shirts featuring some of our favorite student-designed winning entries from years past, with designs dating all the way back to 2010!
Remember: Students may wear their spirit shirts any day of the week as part of the MCOB uniform.
Scan the QR code on the flyer below or shop here: https://www.pinalk12.org/vnews/display.v/ART/5d9376bbb6a70

We can't wait to see you all at our Open House on Thursday! Pizza packages can be ordered ahead of time and the Book Fai...
08/17/2026

We can't wait to see you all at our Open House on Thursday! Pizza packages can be ordered ahead of time and the Book Fair will be open for families to shop! See you all then!

Tomorrow, Friday 8/7 is our first Otter Pop sale of the year! Students can purchase an Otter Pop for $0.50 to support ou...
08/06/2026

Tomorrow, Friday 8/7 is our first Otter Pop sale of the year! Students can purchase an Otter Pop for $0.50 to support our 6th grade students!

Please review the following information about the new Arizona Healthy Schools Act. We are looking forward to welcoming o...
07/15/2026

Please review the following information about the new Arizona Healthy Schools Act. We are looking forward to welcoming our Eagles back in a few short weeks! Enjoy the rest of your summer!

Have a wonderful summer Eagles! We will see you all on August 3rd!
05/21/2026

Have a wonderful summer Eagles! We will see you all on August 3rd!

05/08/2026

📣 🇺🇸 🎉

Join us today at 2:15 PM for the Last Flag of the School Year! We’ll be making our exciting Pop Tab Announcement. 🦅

Let’s finish the year strong and celebrate together! 💙

Attention Parents‼️
05/08/2026

Attention Parents‼️

04/20/2026

🎉 Bingo Blast Family Night! 🎉

Join us Thursday, April 23rd from 5:00–7:00 p.m. for an evening full of fun, laughter, and family time!

✨ Enjoy:
🎯 BINGO with exciting prizes
🔬 Science with Mr. Lawyer
⏰ Activities with Ms. Mims
🎢 Virtual Roller Coaster with Mr. Deall
🚚Food Truck
…and more!

Bring the whole family and make some great memories with your teachers. We can’t wait to see you there!

Address

1400 N Eleven Mile Corner Road
Casa Grande, AZ
85131

Opening Hours

Monday 7:30am - 4pm
Tuesday 7:30am - 4pm
Wednesday 7:30am - 4pm
Thursday 7:30am - 4pm
Friday 7:30am - 4pm

Telephone

+15204504400

Website

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