I think it says it all that a teacher pulled their kid out the school like Big Ideas did. Only a teacher knows the full ins and outs of a school and if they pull their kid out - there's a big problem.
During my 4 years at Somtawin we had many teachers whose kids were studying in the school (including the Director of Academics) and NONE took their kids out. Sorry... actually there was one lass whose kid was in kinder and expected it to be a mini Oxford... nevertheless her child and her stuck up self lasted all of 3 months.
After having worked outside of Somtawin for the last 3+ years (International School, 300,000 a year, Sarasas, 80,000 a year, Trilingual School 100,000 a year) I have come to the conclusion that Somtawin is simply DAMN good value for money with happy teachers and happy kids. Level of english is second to none. You just will not find a school that can offer the level of English that Somtawin offers for any less than half a million in Bangkok. The international school I worked at was WAY behind Somtawin, Why?..... because there were no foreign kids there speaking English together in the playgrounds during breaks. Of course I am a little bit biase as it's a place I love but I also have means of comparison to back up my argument. My means of comparison also include the 'best' school in Thailand (just google Sarasas Bangbon - 'The Willy Wonka Factory for Kids Striving to Become Something by the Name of the School They Went to) an International School which was over three times as expensive as Somtawin and.....
(P.S. Somtawin School... please give me a job again. If you could I'd be back in a heartbeat

ONLY one school for farang or half farang kids in Hua Hin I'm afraid.