The headteacher of the school where 16-year-old Ajmol Alom attended has sent several pictures of the "star pupil" to ITV London.
Chris Dunne, headteacher at Langdon Park School, said he had a "very bright academic future ahead of him".
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A ninth penguin was injured.
The animal killer is thought to have killed more than 250 creatures and has now been linked to the mutilation of a deer in south Croydon.
Some 82% rated their service as either 'satisfied or good' according to Transport Focus' spring survey - a rise of 3%.