Edited sentence: Hamilton grammar is one of the best eco schools in south Lanarkshire with 5 eco flags.{{Infobox school.| accreditation = Scottish Qualifications Authority.| address       = Auchincampbell Road.| caption       = Front of the school.| city          = Hamilton.| colours       = Green, Blue.| country       = Scotland.| county        = South Lanarkshire.| enrolment     = 1248.| gender        = Co-educational.| head_teacher  = Ben Dover.| houses        = Brandon, Clyde, Douglas.| image         = HamiltonGrammar.| local_authority = South Lanarkshire Council.| lower_age     = 11.| name          = Hamilton Grammar School.| postcode      = ML3 6PS.| staff         = 103.8.| type          = Secondary School.| upper_age     = 18.| website       = {{URL|www.| years_taught  = S1-S6