Looking for experiences with Japanese language schools in Sapporo

I’m planning a long-term move to Japan around late 2027 and I’m currently researching Japanese language schools in Sapporo.

So far, I’ve come across IAY International Academy and Yu Language Academy Sapporo, but I’d really like to hear real experiences before making any decisions.

My goal is to reach JLPT N2/N1, and potentially continue to university or senmon gakkou.

If you’ve attended a language school in Sapporo (including these two or others), I’d really appreciate your input — especially regarding:

• Teaching quality and class structure
• How intensive the program feels
• Student environment (serious vs mixed motivation)
• Support for international students

Also, if you have any recommendations (or schools to avoid), that would be really helpful.

Thanks in advance!