PHOENIX (AP) -- A former assistant Tempe High School band instructor accused of having a sexual relationship with a female student has been sentenced to 10 years of supervised probation. A Maricopa County Superior Court spokesman says Andrew Islas Jr., 23, was sentenced Monday. Islas pleaded guilty to two counts of child abuse last month. Tempe police arrested Islas in February 2012 on suspicion of six counts of sexual conduct with a minor. Police say Islas allegedly had an ongoing sexual relationship with a then 16-year-old girl at Tempe High from August through November of 2011. Authorities say the sexual contact allegedly occurred multiple times at various locations, including Islas' home in Chandler.