Hopefully he eventually ends up learning the art of Normal People Training from Clint and some other heroes. Falcon does a group meeting thing to start mending the broken bonds of trust.
They start again with Matt as more of a TA. Eventually he either leads the lessons or co-teaches with whoever 'just happened to be in the neighborhood'

The kids are pretty much adopted by Foggy and Karen and it's not unusual to see one or two hanging around doing homework or learning how to do spreadsheets or something

One day Matt gets home to find the kids casually having a pizza party. "You're just in time, have a piece and sit down, we're gonna listen to Firesign Theatre"