Sinaloa Middle School
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Calendar
December 2025
Monday
Tuesday
Wednesday
Thursday
Friday
Sat/Sun
Monday, December 1
Tuesday, December 2
Saturday, December 6
Sunday, December 7
Monday, December 8
Tuesday, December 9
Wednesday, December 10
Thursday, December 11
Saturday, December 13
Sunday, December 14
Monday, December 15
Tuesday, December 16
Wednesday, December 17
Thursday, December 18
Friday, December 19
Saturday, December 20
Sunday, December 21
Monday, December 22
Tuesday, December 23
Wednesday, December 24
Thursday, December 25
Friday, December 26
Saturday, December 27
Sunday, December 28
Monday, December 29
Tuesday, December 30
Wednesday, December 31
Thursday, January 1
Friday, January 2
Saturday, January 3
Sunday, January 4
8/14 First Day of School
9/1 Holiday, Labor Day (No school)
9/10 Early Release
9/23 Local Holiday, Rosh Hashanah (No school)
10/2 Local Holiday, Yom Kippur (No school)
10/3 No School
10/8 Minimum Day
10/31 No school
11/11 Veterans Day (Observed) (No school)
11/24–11/28 Thanksgiving Break (No school)
12/19 Minimum Day
12/22–1/6 Winter Break (No school)
1/19 Martin Luther King Day (No school)
2/11 Minimum Day
2/16 President's Day (No school)
3/6 No school
3/30–4/3 Spring Break (No school)
4/15 Minimum Day
5/25 Memorial Day (No school)
6/5 Last day of School
Principal Rumble
PRINCIPAL'S MESSAGE
Welcome to the 2025–26 school year! We are excited about the new partnership between Sinaloa Middle School and the Ronald Reagan Presidential Foundation & Institute. This partnership with the Reagan Foundation will provide many advantages for our Sinaloa faculty and students. I can't wait to welcome all of our returning and new Sabers on campus very soon. This year promises to be a great year for all of our faculty, students and their families because of all the new and exciting changes on campus. Sinaloa has many wonderful and new learning experiences planned for our students and we can't wait to share those moments with you. We hope that you are all ready to push yourselves to do your best in and outside of the classroom. We look forward to walking this journey with you as we educate and inspire you to be the best version of yourself. Let's have a great school year. GO SABERS!![]()
In partnership with the Ronald Reagan Presidential Foundation & Institute, Sinaloa Middle School will offer the schoolwide program to introduce its sixth, seventh and eighth grade students to leadership and communications pathways beginning in the 2024-2025 school year. Special courses will be offered in broadcasting, debate, Mock Trial, art and dance. More in-depth curriculum will be developed and offered in the areas of leadership, civics and communications. Besides the new course offerings, students and staff will have opportunities to work and learn with the Reagan Foundation staff. These will include volunteering at the Ronald Reagan Presidential Library and Museum during special events and to help curate exhibits; creating broadcast content using journalistic principles; going on specialized field trips; working on special projects and more.
 Thank you to all those who have already joined the PTSA (Parent Teacher Student Association) already. If you haven't joined yet, go tohttps://jointotem.com/ca/simi-valley/sinaloa-middle-school-ptsa. Contact sinaloapta@gmail.comwith questions. |
 Click HERE for the Weekly Update from Principal Rumble. |
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If you need the weekly newsletter translated into another language you can select translation at the top of the newsletter and then select your language (see picture below). Si necesita la noticia semanal traducida en otra idioma por favor oprime traducir y seleccione su idioma.  |
DATA CONFIRMATION
All Sinaloa students and parents need to complete the Aeries Parent Portal and sign this Sinaloa Student Handbook signature page before the student will be issued a locker on campus. Please use the Aeries link and the Student Handbook links to complete this requirement.
SMS 2025–2026 Handbook
SMS Handbook Signature Pages