1970s coming of age film?

only one scene I recollect from a color American film (possibly made for tv) I saw in the early 80s. The protagonist is a young kid around 13 or so, maybe light brown hair with a bowl cut(?). In the scene I remember he has a huge crush on a girl and visits her house with his more outgoing, chubby friend. The prptagonist ends up leaving the house for some reason and I think his chubby friend scores with the girl. The protagonist shouts at the house as he’s leaving (you stupid jerk! Or something to that effect), clearly upset with both himself and his friend.

I think this movie came out around the same time as Rich Kids, and I conflate the two in memory, but I’m reasonably certain it’s a different, though similarly-themed, movie. Help please!

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