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WELCOME TO JEFFERSON!

Established in 1955,  Jefferson Jr/Sr High School provides education to students of diverse cultures. We emphasize the social, emotional, physical, and intellectual development of each child and strive to instill high standards for academic integrity, and leadership in our students. Through our programs, students are given the technology, skills, and knowledge to be effective members of our school community and a global society.

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UPCOMING EVENTS


Wednesday, March 27th @ 3:00pm: Quarter 3 Grades Due

Thursday, March 28th: Spring Pep Assembly

Friday, March 29th @ 10:30am: Michael Burgan Author Event

Monday, April 1st @ 3:45-4:15pm: SAT Prep (Library)

Wednesday, April 3rd: CMAS Testing Science 1-3 (Grades 8 & 11 only)

Thursday, April 4th: CMAS Testing Math 1 & Reading 1 (Grades 7 & 8 only)

Friday, April 5th @ 5:30-7:00pm: Jacqueline Woodson Author Event

Wednesday, April 10th: CMAS Testing Math 2 & Reading 2 (Grades 7 & 8 only)

Thursday, April 11th: CMAS Testing Math 3 & Reading 3 (Grades 7 & 8 only)

Thursday, April 11th @ 6:00-8:00pm: Music & Arts Night

Tuesday, April 16th: PSAT Testing (Grades 9 & 10 only)

Wednesday, April 17th: SAT Testing (Grade 11 only)

Thursday, April 25th: Day Without Hate

Thursday, April 25th @ 7:00-11:00pm: Prom (Downtown Aquarium)

Friday, April 26th: Teacher Workday (No Students)


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LATEST NEWS

24-25 Enrollment

24-25 Enrollment

24-25 Enrollment
12/13/2023
2024-2025 School Year Enrollment
Enrollment for the 2024-25 school year is now open! Visit EnrollJeffco.org to find out more about how to enroll your students at Jefferson Jr/Sr High School for the new school year.
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