sarah, our kids sound similar. He's in speech therapy now, although only 1x a week (can't afford 2x) Next up is MRI, ENT appt.
Are you on pinterest? I've found it to be really helpful in finding creative ways to engage with him and try to get him up to speed with the school's obnoxious expectations.
My latest experiment is trying to reinforce sight words & high numbers (in our case over 20) by writing them on ping-pong balls and making a game out of it.
You can find me at: Lisa Goddard (webj0ckey) on Pinterest
I appreciate you sharing your experiences. It's helpful.