That was exactly my experience as an 11/12 year old at my grammar school in Mexborough ... we did either metalwork or woodwork and I opted for metalwork in the first year - I learned to file making a spanner out of a piece of steel bar as the first project, then, in the open hearth forge I made a wrought iron fire set stand, turned a steel poker with a knurled handle threaded to go on it, a planished copper ashtray with turned brass feet amongst other things. The metalwork teacher, Mr Myers (Jerry as he was known to us sprogs) was ancient and as far as I recall almost dangerous in what we were permitted to use ... but, apart from a deep scar still on my right hand where the hacksaw slipped off the metal and the metal I was cutting sheared a sizeable lump off the base of my thumb (patched up with stitches at the local hospital) I don't think there were many accidents. Lathes, mills, power hacksaws, pillar drills ... we were taught to use them as pre-teenagers. Lunchtime sessions supervised by sixth formers were permitted and encouraged without a teacher present. All seems so unlikely in this day and age ...but I learnt so much that has stood me in good stead since.
I transferred to woodwork in year three and stuck with that for my remaining school days - again using tools and equipment that were capable of inflicting serious injury encouraged with a few instructions - like, 'always cut with your hands and your body behind the cutting edge not in front of it' ... seems obvious but it's a lesson for life !
I think the absence of these fully equipped metalwork and woodwork shops in schools these days has led to a generation that are, in many cases, incapable of using any sort of tools, let alone machine tools. Engineers for the large part work on computers whilst CNC machines do the work .. car mechanics who ask the car's computer what is wrong and then replace the whole component.
The ability, these days, to disassemble an electric motor, recut the communtator, replace bearings and bushes ? Lost art left to a few of us dinosaurs of a past age that were taught and encouraged to REPAIR things ...not chuck them away and replace them. No wonder the world is becoming flooded with rubbish.