Online Classes

Please click here to review online class policies before filling out the enrollment forms.

Click Here to Enroll in Pre-K – 5th Grade Online Classes with Kristin Riffe

Enrollment is closed for online classes for 5th Grade and up. We may have a few spaces in our essay workshop series (in-person and Zoom options) for 8th grade and up. Email us at for more information on this workshop series.

Friday Enrichment Day

Enrollment for Friday Enrichment Day is closed for spring 2022. If you are interested in enrolling in the future and are not a current THA family, please sign up for our email list to receive information about Friday Enrichment enrollment as soon as it is available.

Friday Enrichment Fees

Elementary Fees – Pre-k – 4th Grades

Membership Fee for Elementary (pre-k – 4th Grade) – $50 for first child in a family, $25 for additional students (payable by check to THA, email invoice will be sent)

Elementary Director/Teacher Fee – $100 per student (This will be paid directly to Kristin Riffe. She will contact you about payment methods.)

Elementary Supply Fee – $15 per student (paid directly to Kristin Riffe)

Middle and High School Fees – 5th Grade and Up

Membership Fee for 5th Grade and Up- $150 per student for the first student in family and $125 for additional students (payable by check to THA, email invoice will be sent)

High School Science Fee – $125 (Forrest Mayer will send a separate invoice.)

Chemistry Fee – $100 due to THA upon enrollment so that we can pay Discovery Lab Children’s Museum for this class (will be included in your THA invoice)

Creativity Club – $25 due upon enrollment (will be included in your THA invoice)