I distinctly recall some kids leaving school after std. 8 to go to technical college back in the day, you had to go up to std. 8 before you could quit.
Yep , I am one of those, left end of Std 9 , had to apply to the Department of Education for my Std 8 Certificate.
School was as boring as hell, and I simply had no interest in any of the subjects other than Geography, history was full of political bull, Maths was impractical in the real world, Science was dull except when we did experiments, and I didnt see the point of Shakespeare, prose, plays and lengthly essays.
Went on to do N3 , got that in Technical Drawing which included Electrical, Mechanical, Building and Structural , along with Applied Mathematics, Plumbing Theory, Fitting and Turning Theory.
From what i recall, the teachers were also experienced in their fields with years of on the job experience, not just academics or basic educators stuck in their mindless teaching post for years on end.
Walked into a Junior Draughtsman position after that, did some alterations on the side on building plans for peoples houses as well, plans were passed easier and quicker in those days as the only qualifaction needed was being a Junior Draughtsman.
Technical Drawing in those days was done on an actual Drawing Board, so one had to be fast, accurate and precise , especially in an engineering firm, no chance of errors in your tolerances.
The one good thing about going to Technical School was nobody looked down on those who were repeating a year or a subject. You werent considered doff or stupid by the other kids there.
We also had guys who came in to do a "block", basically people doing their apprenticeship who did one subject over a 3 month stint.