re: Bisexual female teacher doing teacher things

quote:

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Forms are normally identified by a number such as "first form" or "sixth form". A form number may be used for two year groups and differentiated by the terms upper and lower. The sixth form is the senior form of a school. In England, the 6th Form is usually divided into two year groups: the lower sixth and upper sixth, owing to the 3-year English college/university system.

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