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Hours:
7:30-4:00
Monday thru Friday

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Los Osos High School
6001 Milliken Avenue
Rancho Cucamonga, CA 91737

Phone: (909) 477-6900
Fax: (909) 460-5872

Registrar's Office
Phone: (909) 477-6900 Ext 2002                                           
Fax: (909) 460-5871                                    

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Principal

Kirk, Joshua (909) 477-6900 ex.2020 Principal

Assistant Principals

Boyette, Michelle (909) 477-6900 ex.2026 Assistant Principal of Ed Services
Hanford, Linda (909) 477-6900 ex.2030 Assistant Principal of Discipline
Hourani-Farraj, Nora (909) 477-6900 ex.2024 Assistant Principal of Achievement
Mitchell, Thomas (909) 477-6900 ex.2022 Assistant Principal of Instruction

Guidance Counselors

Deiner, Cynthia Counselor
Forbes, Susan Counselor
Fotia, Lindsay Counselor
McDonald, Jim (909) 477-6900 ex.2041 Counselor
Morris, Kevin (909) 477-6900 Counselor
Revard, Richard Guidance Counselor
Shaw, Kelly (909) 477-6900 School Counselor

Teachers

Alvaro, Gil Teacher
Andress, Samuel (909) 477-6900 ex.5879 Director of Bands
Arora, Nama Teacher
Arretche, Noel Teacher
Baugh, Jeanette Teacher
Beach, John Teacher
Becker, Alicia Teacher
Beckler, Jesse Teacher
Bell-Nixon, Laura Teacher
Benham, Glenn Teacher
Bentley, Jillene Teacher
Bonsall, Larry Teacher
Brehmeyer, Jeffery Teacher
Brodie, Cindy Teacher
Brunsdon, Camille Teacher
Bryant, Mark Teacher
Castro, Alyssa Teacher
Cataldo, Andrea Teacher
Chertkow, April Teacher
Chertkow, James Teacher
Cooper, Cassie Teacher
Copas, Dominick (909) 477-6900 ex.2387 Career Technical Education Instructor
Cube, Denise Teacher
Cypher, Eric Teacher
Davis, Mindi Teacher
Davis, Scott Teacher
DeChenne, Teena Teacher
Delgadillo, Gilbert (909) 477-6900 ex.2503 Teacher
Dhennin, Olivier Teacher
Dillbeck, Kimberly Teacher
Diver, Kathleen Science Teacher
Dunn, Rick Teacher
Duran, Chris Teacher
Elliott, Stephanie Teacher/Grizzly Achievement Advisor
Elsea, Melinda Teacher
Encina, Bethany Choir Director
Evans, Stephanie Teacher
Figueroa, Rocio Teacher
Flores, Veronica Teacher
Foreso, James (909) 477-6900 ex.2321 Teacher
Fox, Dhina Teacher
Frietze, Ashley Teacher
Frost, Kimberly ex.2315 Special Education Dept Chair/Advisor
Frost, Patrick Teacher
Fuller, Kevin Teacher
Galloway, Jill Teacher
Gannon, Barry Teacher
Gardner, April Teacher
Gjerde, Megan Teacher
Grasmick, Joshua Teacher
Hartz, Christopher Teacher
Hartz, Julie Teacher
Hauducoeur, M. Teacher
Herrera, Delilah Teacher
Ho, Simon Teacher
Hoffman, Jessica Teacher
Ide, Kristina Teacher
Johnson, Hugh Teacher
Koukol, Patricia Teacher
Kwon, Alex Teacher
Limon, Gabriela Teacher
Lockard, Zackary Teacher
Lummer, Cindy Teacher
Lyne, Richard Teacher
Mancuso, Danielle Teacher MA Dance, MA Education; Curriculum and Instruction
Marlen, Victor Teacher
Martinez, Frank Teacher
Martinez, Mabell Teacher
Martinez, Tom (909) 477-6900 ex.2220 Teacher
Matsunaga, Jennifer Teacher
McBride, Kathleen Teacher
Mcfadden, Andrea Teacher
Melendez, Elizabeth Teacher
Mittino, Ron Teacher
Morales, Ismael Teacher
Moreno, Carlos Teacher
Morris, T, Trevor Teacher
Nakano, Darren Teacher
Nevarez, Marcial Teacher
Nicastro, Jennifer Teacher
Oravets, Michael Teacher
Parslow, Jaclyn Teacher
Paul, Robin Teacher
Peters, Judith (909) 477-6900 ex.2417 Science Teacher
Pielstick, Erik Teacher
Plunkett, William (909) 477-6900 ex.2340 Teacher
Price, Kevin Teacher
Rademaker, Kimberly (909) 477-6900 ex.2416 Teacher/Case Carrier
Randall, Michael Teacher
Rannis, Lori Teacher
Rapp, Darin Teacher
Repp, Sharon Teacher
Rhinehart, Leslie Teacher
Romero, Chris Teacher
Rosser, Mark Teacher
Salazar, Vicki Teacher
Salvadore, Darcy Teacher
Schmidt, Jeannette Credentialed School Nurse
Schrempp, Christopher ex.2410 Teacher
Seybert, Melissa Teacher
Shorts, Randall Teacher
Skiles, Thomas Teacher
Smith, David Teacher
Solorzano, Gerard Teacher
Steffan, Jeanne Teacher
Stephens, Christopher Teacher
Su, Lawrence Teacher
Tawney, Matthew Teacher
Teresi, Jennifer Teacher
Thomas, Philip Teacher
Vanstryland, Douglas Teacher
Vasquez, Anthony Teacher
Villasenor, Lori Teacher
Visconti, Faye ex.3496 Teacher
Walker, Gregory Teacher
Walter, Matthew Teacher
Washington, Romaine (909) 477-6900 ex.x2334 English Teacher
Weatherton, Ursula Teacher
Weidman, Mark English Teacher
Welch, Janelle Teacher
Welch, Jason (909) 477-6900 ex.2377 Teacher
Will, Shannon Teacher Librarian
Wilson, Amy Teacher
Zollinger, Scott Teacher

Staff

Bearden, Janet Staff
Bella, MariaPia Staff
Campos, John Staff
Carrillo, Ana Staff
Carson, Nicolina Staff
Carson, Shelly Staff
Ciotti, Lynne (909) 477-6900 ex.2021 Administrative Secretary
Crossno, Tinette Staff
Dwyer, Eva Staff
Eaton, Jenny (909) 477-6900 ex.2027 Ed Services Secretary
Franco, Vicky Aeries Technician
Galbraith, Nick Staff
Glover, Shannon Staff
Gonzales, Irene Staff
Gonzales, Ruben Staff
Jamaldeen, Rizani Staff
Johnson, Regina Staff
Kempf, Lynne (909) 477-6900 ex.2023 Instruction Secretary
Lombardo, Beverly Staff
lopez, Sandra College and Career Center Tech
McMillin, Dan Staff
Mcmillin, Dawn Staff
Mejia, Ana Staff
Molina, Maria (909) 477-6900 ex.2031 Discipline Secretary
Moore, Anthony Staff
Palmer, Damian Staff
Ponce, Tony Staff
Richards, Peggy Student Store Manager
Richardson, Jozette Staff
Riker, Lisa Registrar
Rodriguez, Linda Staff
Roper, Susan Staff
Ruiz, Irma Staff
Salas, Janice (909) 477-6900 ex.2025 Achievement Secretary
Telles, Greg Staff
Veliz, Christina Guidance Technician
Wittenbrock, Jenae Staff
Wuence, Josefina Guidance Technician
Zerillo, Linda Staff