Halcyon London International School 33 Seymour Place, London, W1H 5AU Phase: School Type: Other independent school Age range: ages 11-18 Ofsted rating: Not yet inspected Gender: Mixed Religious character: None Other schools in LondonSt Paul's Cathedral SchoolThomas Coram CentreHeath SchoolArgyle Primary SchoolWest Hampstead Primary SchoolBrookfield Primary SchoolEdith Neville Primary SchoolFleet Primary SchoolNetley Primary SchoolNew End Primary School