請教資深家長有關親子溝通

I'm thinking to let my boy go along the international stream. But a bit hesitated as my English is suck n my hubby's is even worse. I understand that will be fine in the lower grades, but when my boy become a teenage, everything in his mind is in English. Don't know if that hinder our communications. I mean, we will have conversations for sure, but will he still willing to tell me things deep in his mind