Alliance Marine-Innovation and Technology 6-12 Complex

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The lottery deadline for the 2022-23 school year is December 3, 2021 but applications are still being accepted. Apply today!

11933 Allegheny Street

Sun Valley, CA 91352

(747) 223-2649




Alliance Milt and Debbie Valera Middle Academy is part of the Alliance Marine-Innovation and Technology 6-12 Complex which serves grades 6-12.



450 scholars in grades 6-8 


Date Opened

August 2015



Sun Valley is a neighborhood located in the San Fernando Valley region.


Points of Pride 

This school brings rigorous college-preparatory instruction and powerful learning experiences through interdisciplinary projects and integration of real-world applications. Close relationships between scholars, teachers, and staff encourage teamwork and accountability while ensuring that no scholar slips through the cracks.  



92% Latino, 4% White, 1% African American/Black, and 2% Asian. 15% English Language Learners (ELL), 19% special education, and 89% free or reduced meal program participants.
Principal Profile

Jonathan TiongcoPrior to his role as principal, Jonathan Tiongco helped lead teacher innovation serving as Alliance’s Director of BLAST Implementation for 2 years.  In this role, Mr. Tiongco oversaw blended learning pilots, full-school conversions, facilitated knowledge-sharing between schools and new educational programs at a Next Generation Learning Challenges grantee school. Before joining Alliance, as the instructional leader his school demonstrated among the largest academic gains in the district serving as School Site Co-Director for Youth Policy Institute Charter Schools. Mr. Tiongco began his career as a middle school teacher and was a marathon leader. He earned his BA in Sociology from UCLA and his MA in Computing in Education from Columbia University.