Channel Islands High School
| Channel Islands High School | |
|---|---|
| Address | |
1400 Raiders Way , 93033 United States  | |
| Information | |
| Type | Public high school | 
| Motto | Once a Raider, always a Raider | 
| Established | 1966 | 
| School district | Oxnard Union High School District | 
| Superintendent | Tom McCoy | 
| Principal | Marianne Ramos | 
| Teaching staff | 100.47 (FTE) | 
| Grades | 9—12 | 
| Enrollment | 2,444 (2023–2024) | 
| Student to teacher ratio | 24.33 | 
| Campus | Urban | 
| Color(s) | Blue and gold | 
| Athletics conference | CIF Southern Section Citrus Coast League  | 
| Mascot | Sam Raider | 
| Nickname | Raiders | 
| Rival | Hueneme High School | 
| Newspaper | The Isle File | 
| Website | Channel Islands High School | 
Channel Islands High School (CIHS) is a secondary school located in Oxnard, California, United States. The school is part of the Oxnard Union High School District. CIHS had a student population of 2,596 during the 2018–19 school year.