High school teacher accused of having sexual relationship with student for years September 6, 2011 at 8:21 PM EST - Updated June 25 at 9:06 AM Just days into the school year and 19 Action News has discovered a high school teacher is under investigation for having sex with a student. The female teacher works at John Adams High School on Cleveland's east side. The so-called affair has reportedly been going on for two years. The teacher's name has not been released. Copyright 2011 WOIO. All rights reserved.