Published on 12, July, 2020
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In this instance, it would probably be helpful to you to say so - especially given what your doctor thinks, and that you've been referred for assessment.
Generally, though, I'm not so sure. Thinking back to my pre-diagnosis period - even though I was convinced I would get the diagnosis - I felt wary about saying anything in case it backfired on me in some way. Having said that, though, there weren't many instances where it would have mattered one way or the other. I'm not really sure whether it's right to say 'I have Asperger's' in something like a job application/interview if you haven't actually been diagnosed. I don't think I would have done. But others may think differently.
In your situation with an evening class, though, I would probably have said 'yes' to that question.
I would hope, if the evening class is with a recognised educational institution or an organisation like the WEA, that you would be treated with respect - not worse, nor as 'weird', but as any other disabled person would.
I feel happier having my diagnosis for precisely that reason. If anything, I think I was treated worse and as weird before I had the diagnosis - because I had no other way to explain why I did certain things a certain way, and why my behaviour was what it was.
Of course, there will always be people with whom it won't compute. Just as there will always, unfortunately, be homophobes, racists, sexists, fanatics, etc...