Canyon Springs Resort is located south side of Canyon Lake of FM2673 and would be Canyon Lake High School. Canyon Springs in North East/ Central San Antonio would be Bexar County ISD and owuld be Smithson Valley HS. Maybe thats where there is confusion. Hope this helps
Please click click on the link below for Comal County school boundaries. If you have some neighborhoods in mind, I can pretty much tell you what neighborhood goes to what school. If you are looking closer to Canyon Lake, the fairly New Canyon Lake HS would also be a possible school, located off FM 306. Bill Brown Elementary will be closing and they are building a new elementary school to replace it at Hwy 46 and Mitchell. There is also Bracken Christian school (private that is close to Hwy 46 and Hwy 281..