Schools junior and high school?

Hi I am just looking for a little advice regarding Schools junior and also high schools in Bulgaria, this would be helpful in the areas between Ruse to Veliko Tarnovo, I have a house near Byala Ruse district (which has a local school) but would be prepared to travel?
I have a 7 year old son and would like to consider what options are available to ourselves, if anyone can offer advice, whether it be schools parents have looked at or used for their own children I would be most grateful of any feedback.
Many thanks in advance.
Regards Steve.

one of your best options is the Foreign Language School at Russe.

Thanks for the reply I have just had a week in BG had a great time meeting new people understanding the culture a little more even having a conversation with a shepperd who took the mick out of my attempted dry wall building he could not speak any English but I could understand him mocking jokingly ha ha all in good fun.(apparently the stones were the wrong way round my stones my way)
Anyway I'll look up the school much appreciated.
Regards Steve.