Do you have to be in 8th grade to go to this spot? (great wolf lodge)?

hi! Well im 11, and going into 9th grade. (yeah yeah i kno i kno) anyways, we r going to the great wolf lodge in july(like the end) and i want to go to to gr8 place there, but i was wondering if you have to be in 8th grade? I mean, if i crimp my hair, and wear blue, i can fake 13. LOL but just wondering..