The two men bragged about what they were doing on Instagram.
West Sussex: School Abuse Allegations
Three former teachers at Christ's Hospital boarding school, Horsham, have been arrested on suspicion of abusing pupils.
The alleged attacks on as many as nine pupils are all said to have taken place in the late 1980s and early 1990s.
The three men, all in their 60s, have been bailed until next month.
Christ's Hospital charges boarders up to #31,500 a year and counts Sir Barnes Wallis, inventor of the bouncing bomb, and poet Samuel Taylor Coleridge among its former pupils.
Sussex Police said officers arrested a 66-year-old man in North Yorkshire on suspicion of raping a girl aged 16-18 in 1992-94.
He has also been accused of indecently assaulting another girl, 17, in 1994.
A 65-year-old man was arrested in Shropshire, on suspicion of indecently assaulting a girl, 18, in 1994, and a boy, 18, in 1990.
He has also been accused of indecently assaulting a boy, aged 15-16, in 1988 or 1989.
Officers also arrested a 62-year-old man in west London on suspicion of indecently assaulting four girls aged 14-17 between 1985-1993.
All men have been bailed until December 15, a force spokesman added.
The school was founded in the 16th century and its pupils still wear a Tudor-style uniform of a long blue coat and high yellow socks.
A spokesman told The Sunday Times: "Christ's Hospital takes its moral and legal obligation to safeguard pupils very seriously.
"The school is aware that arrests have been made in relation to some non-recent allegations and is co-operating fully with police investigations.''
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