Faculty & Staff
| Name | Title | |
|---|---|---|
| Father John Ryan | Pastor | |
| Father Michael Liliedahl | Parochial Vicar | |
| Father Toan X Nguyen | Parochial Vicar | |
| Sr. Antonella Manca, msc | Principal | office@stcos.org |
| Mrs. Patricia Bandel | Assistant Principal, Educational Technology, 6th Religion, Resource | assistantprincipal@stcos.org |
| Miss Marian Abbott | Kindergarten | kindergarten@stcos.org |
| Mrs. Vera Giuntoli | Grade 1 | grade1@stcos.org |
| Sr. Corinna Catalano, msc | Grade 2 | grade2@stcos.org |
| Miss Elena Abbott | Grade 3 | grade3@stcos.org |
| Sr. Amelita Adao, msc | Grade 4 | grade4@stcos.org |
| Mrs. Arianna Burke | Grade 5 | grade5@stcos.org |
| Mr. Michael Herrera | Grade 6 Homeroom/6th-8th Math/7th Religion | grade6@stcos.org |
| Miss Melissa Bolles | Grade 7 Homeroom/ 5th-8th Science | grade7@stcos.org |
| Mr. Brian Downs | Grade 8 Homeroom/6th-8th History/8th Religion | grade8@stcos.org |
| Ms. Javey Affonso | Grade 6th-8th English Language Arts | english678@stcos.org |
| Mr. Jose Verduga | Spanish (K-8) | learnspanish@stcos.org |
| Mrs. Leana Giannini | Italian (K-8) | learnitalian@stcos.org |
| Ms. Ellie Han | Music (K-8) | music@stcos.org |
| Physical Education (K-8) | pe@stcos.org | |
| Miss Kaylin O'Leary | Instructional Aide - 5th | olearygrade5@stcos.org |
| Mrs. Mary Niizawa | Instructional Aide – 4th | niizawagrade4@stcos.org |
| Mrs. Rose Marie Garcia | Instructional Aide – 3rd | garciagrade3@stcos.org |
| Miss Olivia Mufarreh | Instructional Aide – K | mufarrehkindergarten@stcos.org |
| Sr. Maria Dong | Instructional Aide – 1st | srmaria@stcos.org |
| Mrs. Sandra Williams | Instructional Aide – 2nd | williamsgrade2@stcos.org |
| Mrs. Elena Caruso | Administrative Assistant | office@stcos.org |
| Mrs. Robin O'Leary | Office Assistant / SCRIP Coordinator | secretary@stcos.org |
| Mrs. Yolanda Manuel | Extended Care Supervisor | |
| Mrs. Sandra Williams Miss Sydney Mufarreh |
Extended Care Assistant | |
| Mr. Marco Penagos | Custodian | |
| Mr. Dennis O'Leary | Traffic Supervisor | |
| Mr. Nick Manuel | Facilities/ Gym Maintenance |
