Video Welcome to Arlington Community Posted on October 1, 2021 at 1:00 pm. Local Action Global Effect Posted on June 6, 2018 at 11:27 am. ACHS Teachers Leave Behind Their Lonesome Commutes Posted on September 7, 2017 at 1:40 pm. Guest Speaker Emmanuel Visits ACHS Posted on January 11, 2017 at 11:06 am.