Unless your parents were very rich how could a schoolboy sport the same 'ahead of the game' smutter as a working lad ? a decent sheepskin was roughly £25 in 69 . My paper round was paying me under two pounds a week then .. no possible way to save up that sort of dough . Even more important is that young kids would not have known what was IN or Out until it filtered down from the older lads let alone have the pull to influence fashion.
Between 15 and 17, and still at school, I had a MTM Tonik mohair suit, a MTM Prince of Wales jacket and a MTM pair of mohair strides. I had a Baracutta Harrington, Crombie overcoat (no sheepskin because my mates beat me to it and I wasn't going to copy them and play catch up). I wore Bass Weejun loafers, DM's ,Royals. Ben Shermans (no Brutus shirts because they were cheaper). I could go on. Nearly all my mates dressed the same with half of them at work and half still at school. We didn't do paper rounds because the money was shit but we worked on building sites or Fords shutdown during school holidays and not paying any tax we earned enough for our clothes and entertainment. Working a Bank Holiday was treble time. Sundays was double time and Saturdays was time and a half pay. I spent every penny and I hardly gave mum any money for housekeeping. It amazes me now thinking of the clothes I bought whilst still at school, but many did the same. Living in and around London you had access to well paid jobs full and part time.
No one I know carried a camera around with them. As has been said photos were taken on Holidays and at Weddings. For a few years me and my mates went down to Torquay for long weekends and I don't have one photo from then. So I don't have photo evidence of clothes I wore. I did find, in the loft, however some receipts for clothes that I bought back then and that surprised me.
Life was good for many working class people in the late sixties and early 70's. I would go further and say It was better than it is today for many people but the ruling elite don't want the people to know that.