Firstly big hugs. My son has never had much success with school. Battling with an incorrect ADHD diagnosis for most of primary school and finally diagnosed Aspergers at age 12. He by and large manages pretty well. He has issues with writing and his spelling is shocking but he is a great reader.
My son is now 18 and repeating year 12. He is on a modified program and only needs to go 3 days a week. I consider it a good week if he goes 1-2. Making it to school all 3 days is unheard of.
He works 3-5 shifts a week at KFC and they love him. He's reliable and will always pick up extra shifts, do doubles etc.
But school, meh forget it. He talks about doing an electrician apprenticeship but when it's explained what is required to get there he nods and agrees but fails to follow through.
He's mentioned the army/army reserves but when we told him he needs yr12 he stopped mentioning it.
All in all. Not much help but just know you are not alone.