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Tuition and Fees

2026-2027 registration Opens March 1st.

Please contact OHSCOMSI@gmail.com for information.

Cost

OHSC Annual Membership Registration — $25 per student*

OHSC OMSI Tuition Full Year Rate

  • Cohort A and B = $500 for the whole year

  • Cohort C = $550 for the whole year

  • Part-year participation spots offered after August 1st

OMSI Parking — Parking Kitty through the City of Portland.

OMSI Membership—Purchase through OMSI. OHSC receives a $30 discount. In your registration, indicate whether you need the discount code or your current membership number with expiration.

*Registration fee is non-refundable. This is not OMSI membership, this is OHSC Membership

Tuition Due: August 1st, 2026

Tuition Refund Deadline:

  • August 1st = Full Refund ($500 refunded)

  • August 10th = Tuition - 25% ($375 refunded)

  • September 1st = Tuition - 50% ($250 refunded)

  • December 1st = Tuition - 75% ($125 refunded)

  • January 1st = Tuition - 10% ($50 refunded)

Homeschool Hybrid Charter School Invoice Service Charge: $25 per invoice/family

2026-2027 Changes!

Yes! You requested the longer year and longer classes, so we will keep the program the homeschool-focused classes, assemblies, planetariums, and science fair. Labs will remain 90 minutes, and the middle school (7th-9th) students will stay 2 hours long. Things continue to be tweaked, so keep an eye on the newsletters.