Elementary

Mattole Triple Junction High

29289 CHAMBERS RD., Petrolia, CA 95558

School Information

7076293250

29289 CHAMBERS RD.
Petrolia, CA 95558

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October 2026

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Columbus Day / Indigenous Peoples' Day

Columbus Day is observed in the United States on the second Monday of October. The holiday traditionally commemorates Christopher Columbus's arrival in the…

Columbus Day / Indigenous Peoples' DayColumbus Day / Indigenous Peoples' Day Oct 12 at 12:00 AM

Columbus Day is observed in the United States on the second Monday of October. The holiday traditionally commemorates Christopher Columbus's arrival in the…

🎃Halloween — Schools Closed

Halloween is celebrated every year on October 31, but its story began long before costumes, candy, haunted houses, and children yelling “Trick or treat!” I…

🎃Halloween — Schools Closed🎃Halloween — Schools Closed Oct 31 at 12:00 AM

Halloween is celebrated every year on October 31, but its story began long before costumes, candy, haunted houses, and children yelling “Trick or treat!” I…

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Mattole Triple Junction High

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