A girl kneels while a teacher measures her skirt length.

A headstrong young teacher in a private school in 1930s Edinburgh ignores the curriculum and influences her impressionable 12-year-old charges with her over-romanticized worldview.

Muriel Spark's classic novel The Prime of Miss Jean Brodie was adapted by Scottish Television into a seven episode television serial for ITV in 1978 that featured Geraldine McEwan in the lead role. From Wikipedia.

The story follows an elementary school teacher's sexual fantasy when measuring girl's bodies. Kanae Koda is absent on the day of physical examinations so the teacher asks her to stay behind after school...

A miniskirt high girl who came to a health check ● An obscene body measurement set by a doctor targeting students! Blame the "absolute realm" between the miniskirt and knee high! Plump thighs! Rubbing with a major stimulates Ma ● Ko! Furthermore, nipple torture with a stethoscope! Take off your pants and palpate! Ubu daughter is a sensitive cum! Squirting! Knee high and footjob! Erection from the thigh intercrural sex ● Po insertion! Sensitive girls ● Raw feels and cums on a fierce piston! The last is vaginal cum shot!

Parents and children come to a school-designated store to buy uniforms in preparation for admission. A clerk uncle who has been lustful for a young girl who has to measure alone due to parents' circumstances is voyeur & mischievous. The ignorant girl accepts as the uncle tells her. A girl who hasn't even braned yet and is beginning to swell her breasts feels the joy of a woman half-heartedly.