I'll bet it is not on the east side of IH 35. If there was one in the Austin area, I'd have to say Westlake ISD.
You couldn't be more wrong.
Its the Liberal Arts and Science Academy 7309 Lazy Creek Drive, Austin, TX 78724.
Which is basically the LBJ High School Campus, about as far away and deeply removed from Westlake as you could get in Austin.