ADHD & ASD

My 12 year old son has ADHD & ASD , he was diagnosed with ADHD at the age of 6 and ASD about 1.5 years ago , the problems at secondary school are escalating and detentions are happening every week . I am in the process of an EHCP and have been since feb this year but then the lockdown happened and everything was put on hold , we’ve got as far as the Ed Phsyc report which made for interesting reading . M struggling with challenging behaviour, sensory issues and Anxiety of my son . I’ve put so many things in this lace over the years but not much seemed  to make any difference. I feel let down by the system and I’m running out of steam