Mansfield Timberview High School (THS) is a secondary school located in Arlington, Texas, United States. It is a Mansfield Independent School District campus. Its mascot is the wolf. Timberview High School was named an AVID National Demonstration School in 2016 and an AVID School-wide Site of Distinction in 2017. The school serves sections of Arlington, Mansfield, and Grand Prairie. Timberview serves several communities, including Lake Port Village.