I literally sat alone for most of 8th grade. I went to that school system two more years after that, and still heard stuff whispered behind my back. I can have half a sense of humor over it now, but it all makes me angry as well. I'd rather laugh than have rage about it all. The next school, I didn't tell anyone. Of course, this also meant that I didn't sleep with a woman until I was out of high school - oddly enough, it was girl I knew from school. I knew of a school official that didn't want gay teachers because he blamed a teacher for "making his son gay". I know this sort of thinking still goes around today. I can only imagine what folks in the 50's, 60's, and 70's went through.
It was weirdly easier being in a mixed "race" relationship back then. I got harassed by cops at times, slurs when out in public, and remember churches stating it was against god. But at least everyone didn't avoid me.
It was pretty normal to be minimally ignored and still find that I'm cautious of who I tell - women sometimes avoid me and men will sometimes make me an object. I truly think gay men have it worse simply because men are more likely to get beaten up by some groups. I think that it sometimes depends on where folks live as well on the severity of it all now.
Edit: I just came back to say thank you so much for asking about it :)