Opening Day 2023: Sunday, July 9th, 2023

Closing Day 2023: Saturday, August 5th, 2023 (UCD, UCSC) 

Closing Day 2023: Friday, August 4th, 2022 (UCI, UCSD)



  • Online Application Opens: Wednesday, January 11, 2023, at 8:00 AM
  • Online Application Closes Friday, February 10, 2023, at 5:00 PM, continues unsupported until 11:59 pm
    • Completed online application, teacher recommendations, parent/guardian signature acknowledgement of liabilities, application fee ($40), must be submitted electronically by this deadline (or POSTMARKED by Saturday February 11th, 2023 if item must be mailed)
  • Optional financial aid application must be submitted and must be POSTMARKED on or before Saturday, February 11, 2023 - absolutely no extensions, recommend priority mail and tracking, pre-paid postage is available.


  • Admissions Notifications for the COSMOS Program: Friday, March 31, 2023, 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 12, 2023, by 11:59 PM 
  • If ACCEPTED, a deposit (one-third of the tuition) is due online or by check on April 12, 2023.
  • The remaining two-thirds of the tuition must be paid by Friday, April 21st, 2023


  • Students admitted from the waitlist will be notified on the following days and offers to attend COSMOS will need to be accepted by the following Sunday by 11:59 PM (including the $200 non-refundable deposit).  
  • The last batch of admitted students from the waitlist will be notified on Tuesday, May 30, 2023.
Admission Date Offer Deadline (Deposit Due) Tuition Deadline (Tuition Due)
Friday, March 31 Wednesday, April 12 Friday, April 21
Friday, April 14 Friday, April 21 Friday, May 5
Tuesday, April 25 Tuesday, May 2 Tuesday, May 16
Friday, May 5 Friday, May 12 Friday, May 26
Tuesday, May 16   Tuesday, May 30 (credit card only)
Tuesday, May 30 (if needed)   Tuesday, June 13 (credit card only)

FEES & TUITION (ALL financial communications MUST happen with legal guardian):
(times specific to credit card payments, checks must be postmarked by the date noted)

  • $40 Application fee due by Friday, February 10, 2023, at 11:59 PM (unsupported after 5:00 PM)
    • Exceptions to this include check payments which must be postmarked by Saturday, February 11th and Pending Application Fee Waivers (to be paid/not paid as soon as Statewide receives and reviews FA app)
  • Nonrefundable deposit due by Wednesday, April 12, 2023, at 11:59 PM (unsupported after 5:00 PM)
    • Deposit amount is 1/3rd of tuition less any Financial Aid awarded
    • Payment plans can be negotiated with Statewide, based on need. The non-refundable deposit is NOT covered by FA unless a student as received a full FA award. In this case, the deposit must still be paid by the deadline, but a full refund will be provided after completion of the program.
  • Remaining tuition is due by Friday, April 21, 2023, at 11:59 PM (unsupported after 5:00 PM) for students admitted initially - parent/guardian must acknowledge payment before deadline
    • 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 application system if paying by check) no later than June 2, 2023 at 11:59pm (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 a 2.5% service fee will be added to all online payments.

For information on refund requests, see our Refund Policy.

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


  • All tuition payments are non-refundable (special considerations for cases with documented catastrophic events)
    • Parent/guardian should contact Statewide in this case, which will be reviewed for a possible refund
  • No refund will be given in the event of dismissal or voluntary departure from the program at any time
  • If the program must be cancelled 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.)