Yes. If he is in the 5th Grade and anticipating graduating in 2021 then he would play on a 5th grade 2021 team. Whatever hoops his parents jump through to get there, it would no longer be cheating. Then people can brag about their kids on BOTC in good standing. Certain towns hold all their kids back just for this reason. Don't belittle all the work, time and money their parents put in to holding their kid back. You have to grasp that Lacrosse is not going to an age based braket in our kid's timeframe or ever. And I am sure the "TLI is the bestest ever because... " comment will follow here...
