We recommend you start searching for student housing in Los Angeles, CA, at least a month before your desired move-in date. The peak of apartment rentals in Los Angeles is from July to September. Starting the search early allows you ample time to gather information, visit the student housing in Los Angeles in person, and make informed decisions.
If you find suitable LA apartments for rent in July, you should apply as soon as possible; if you don't find rooms for rent in Los Angeles, CA, until September, do it as soon as possible. The longer you delay, the fewer cost-effective options are available. After August, it is hard to find cheap rentals in LA.
Additionally, consider factors like lease terms, location, budget, and amenities while exploring different apartments for rent in Los Angeles.