Complex sentence: Sid and Bernie soon set their sights on a bunch of naughty schoolgirls (all of whom are somewhat obviously too old for school!) on holiday from the "Chayste Place" boarding school, led by the blonde and bouncy Babs (Barbara Windsor).
Split into simpler sentences: Sid and Bernie soon set their sights on a bunch of naughty schoolgirls (all of whom are played by women somewhat obviously too old for school!) on holiday from the "Chayste Place" boarding school. They are led by the blonde and bouncy Babs (Barbara Windsor).