Actually, no.
We talk about format rights or rights and ideas. They were doing something very different. The core difference between the two series is that in Degrassi, there are two tenets. One is that you are not alone. You may think you are going through something horrible, but you are not alone. The second is that you have choice, but every choice has a consequence. You are empowered, but every choice has a consequence. That was never a part of Beverly Hills 90210.