Rattigan Academy was a school located outside of London. It was founded by Luke Rattigan, and the students were hand-picked from all over the world. The school's main focus was scientific subjects, and they had an advanced laboratory.
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Rattigan academy. (DW: The Sontaran Stratagem)
Inside the school there was a teleporter used by the Sontarans to get from their spacecraft to Earth. (DW: The Sontaran Stratagem)