PublicGrades 9-12
Mattole Triple Junction High School
29289 Chambers Road, Petrolia, CA 95558(707) 629-3250
Total Students2
Student/Teacher1:1
School Information
Charter SchoolNo
Magnet SchoolNo
Virtual SchoolNo
CountyHumboldt
School DistrictMattole Unified School District
Principal / AdminKaren Ashmore(707) 629-3250
Founded1993
Acceptance Rate100%
Student Demographics
White50%
Hispanic50%
Gender Distribution
100%
0 Male0
Students per Grade
Grade 91
Grade 121
School Calendar 2026-2027
July 2026
Academic Schedule • 2026-2027
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Mattole Triple Junction High School
Academic Calendar (2026-2027)
July 2026
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August 2026
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September 2026
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November 2026
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December 2026
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January 2027
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February 2027
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March 2027
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April 2027
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May 2027
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Key Dates & Holidays
Independence Day (Observed)Jul 3
Labor DaySep 7
Veterans DayNov 11
Thanksgiving DayNov 26
Christmas DayDec 25
New Year's DayJan 1
Martin Luther King Jr. DayJan 18
Presidents' DayFeb 15
Memorial DayMay 31
Juneteenth (Observed)Jun 18
Key Dates & Holidays
2026-2027A Hub for Growth and Exploration
Families often seek institutions that offer a well-rounded experience. This could include vibrant athletic programs like basketball and soccer, alongside engaging curriculum and clubs such as STEM, robotics, or the arts. The campus aims to foster diverse interests and skills.
Connecting with Our Community
Staying informed is key for student success. Parents are encouraged to review the academic calendar located on this page for important dates and events. Our school is committed to transparent communication with all families.
Frequently Asked Questions
What extracurricular activities are available for students?
While specific programs vary each year, students often have access to clubs like robotics and athletics such as soccer. We recommend contacting the administration directly for the current list of activities.
How does the school support students with diverse learning needs?
The Mattole Unified School District is dedicated to providing resources and support tailored to individual student requirements, ensuring everyone has the opportunity to thrive academically.
What is the typical class size at this high school?
Class sizes can fluctuate, but the educational environment at Mattole Triple Junction High School prioritizes personalized attention and meaningful student-teacher interaction.
Are there opportunities for community involvement or volunteer work?
Yes, students are often encouraged to participate in local initiatives and volunteer opportunities, fostering a sense of civic responsibility and connection to Petrolia.
Community Reviews
Real experiences from parents, students, and alumni. Your feedback helps families make informed decisions about Mattole Triple Junction High School.
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