Opening Day 2024: Sunday, July 7, 2024

Closing Day 2024: Saturday, August 2, 2024 (UCD, UCSC) 

Closing Day 2024: Friday, August 3,  2024 (UCI, UCSD)



  • Online Application Opens: Wednesday, January 10, 2024, at 8:00 AM
  • Online Application Closes Friday, February 9, 2024, at 5:00 PM and continues unsupported until 11:59 pm.
    • Completed online application, teacher recommendations, parent/guardian signature acknowledgment of liabilities, and non-refundable application fee ($40) must be submitted electronically by this deadline (or POSTMARKED by  February 10. 2024, if an item must be mailed)
  • Optional financial aid application must be submitted and must be POSTMARKED on or before Saturday, February 10, 2024 - absolutely no extensions, recommend priority mail and tracking, and pre-paid postage is available.


  • Admissions Notifications for the COSMOS Program: March 28, 2024, at 5:00 PM
    • (Note: Statewide and Helpdesk support will be closed after notifications are sent and will reopen the following Monday at 9:00 am EDT)
  • Offer Acceptance or Decline (no response is considered "offer declined") to COSMOS due April 10, 2024, by 11:59 PM. 
  • If ACCEPTED, a non-refundable deposit (one-third of the tuition) is due online or by mail (postmarked) by April 10, 2024
  • The remaining non-refundable two-thirds of the tuition must be paid by Friday, April 19, 2024
  • Official transcripts should be provided as soon as possible but no later than June 1, 2024


  • Students admitted from the waitlist will be notified on the following days, and offers to attend COSMOS must be accepted by the Offer Deadline by 11:59 PM (including the non-refundable deposit). Please see the table below.
  • The last batch of admitted students from the waitlist will be notified on May 29, 2024. The Offer and Tuition Deadlines are the same dates for the final two batches. If admitted in either of those rounds, the deposit and remaining tuition must be paid in full by credit card on the tuition deadline.
Admission Date                                       Offer Deadline (Deposit Due)                        Tuition Deadline (Tuition Due)             
Friday, March 29 Wednesday, April 10 Friday, April 19
Friday, April 12 Friday, April 19 Friday, May 3
Tuesday, April 23 Tuesday, April 30 Tuesday, May 14
Friday, May 3 Friday, May 10 Friday, May 24
Tuesday, May 14   Tuesday, May 28 (credit card only)
Tuesday, May 29              Tuesday, June 11 (credit card only)

FEES & TUITION (All Non-refundable)  

(ALL financial communications MUST happen with a legal guardian.)

*** Times specific to credit card payments, checks must be postmarked by the dates noted ***

  • $42 Application fee due by Friday, February 9, 2024, at 11:59 PM (unsupported after 5:00 PM)
    • Exceptions to this include check payments, which must be postmarked by February 9, and Pending Application Fee Waivers (to be paid/not paid as soon as Statewide receives and reviews the FA app)
  • Non-refundable Deposit due by the above corresponding admission dates at 11:59 PM (unsupported after 5:00 PM)
    • The deposit amount is 1/3rd of tuition less any Financial Aid awarded
    • Payment plans can be negotiated Statewide based on need. 
  • Remaining tuition (Non-refundable) is due by the above corresponding admission dates (unsupported after 5:00 PM) for admitted students  - parent/guardian must acknowledge payment before the deadline.
    • The remaining tuition amount will be 2/3rds of the tuition amount less any Financial Aid awarded
    • All tuition payments must be paid (or acknowledged in the application system if paying by check) no later than the deadline at 11:59 pm (to account for students admitted off the waitlist)
  • All payments made by check must be postmarked by the deadline date.

Credit card payments are available. Please note that all online payments will add a 2.5% service fee.

For information on refund requests, see our Refund Policy.

See our Application and Payment Basics page for information on making payments.


  • All deposit and tuition payments are NON-REFUNDABLE
    • Parents/guardians should contact Statewide with questions
  • No refund will be given in the event of dismissal or voluntary departure from the program at any time.
  • If the program must be canceled or switched to remote instruction, the campus and Statewide will determine if a refund (of any amount) will be given. (COSMOS will not profit from such program disruptions.)