Wow, as for me, (I have two kids 5 and 6 years old) it sounds really cool, even now, when my kids are small I can start investing in their future education!!!
You can and should invest in your children's education regardless of if a particular university accepts bitcoin.
Very few people have enough money in bitcoin in order to use to to pay for a college education.
Very few people have enough money period compared to the cost of higher education, at least here in the USA.
College tuition makes the US's bloated, parasite-ridden healthcare system seem like a downright BARGAIN by comparison.
Which is why students are being driven deeper and deeper into debt to try to get that education.
You are correct, but people are not going to borrow money, use the borrowed money to buy bitcoin then pay for their tuition.