If you want your kids to learn Indian languages and culture along with 1000+ other children, feel free to pre-register for next year session. Admission process will beging in March, 2018 timeframe. If you pre-register, you will be notified.
If your child is already enrolled in Gurukul, you do not need to pre-register. You also do not need to pre-register any siblings of current Gurukul students.