If tax exempt, You must complete (and sign) a S-211 form at least 1 week prior to field trip date and email to familyfun@enchantedvalleyacres.com.
Link to form: S-211 Wisconsin Sales and Use Tax Exemption Certificate (fillable)

$12/student and all non-staff (including parent volunteers).
School staff/daycare staff (paid) are free
Enter the number attending:

This is an estimate. 
Tax will be added to this estimate for non-exempt groups.
We will contact you to confirm the date and final price.
Payment will be due upon arrival.