Instruction Office
Ontario High School Instruction Office
Mr. Ryan Alvarez
Assistant Principal of Instruction
(909) 988-7411 Ext 2022
Email: [email protected]
Ms. Lianne Andrade
Instruction Secretary
(909) 988-7411 Ext 2023
Email: [email protected]
Mr. Ryan Alvarez
Assistant Principal of Instruction
(909) 988-7411 Ext 2022
Email: [email protected]
Ms. Lianne Andrade
Instruction Secretary
(909) 988-7411 Ext 2023
Email: [email protected]