Field trips 3 hours long or under cost $5/student. Field trips longer than 3 hours cost $7.50/student  One chaperone per 5 students will receive free admission. Additional adults paying with the field trip will receive the same admission rate as students. Adults paying separately must pay regular museum rates at $10 The field trip rate will not be given without pre-registration  If an accompanying adult has a membership to the museum, they are allowed to use that membership for free admission for themselves and children under the same membership. However, if a child has a membership but is NOT accompanied by an adult on the same membership, the child must be paid for by the school.