How many credits do you need to be a junior in California high school?

There's no single answer to how many credits you need to be a junior in a California high school. The required number of credits varies by school district and even individual high schools within a district. While a common goal is around 10 credits by the end of sophomore year, some students might have slightly more or less depending on their course selection and school policies. To find the specific credit requirement, you should check your high school's course catalog or website, or contact your school counselor.