 The Benedictine Sisters withdrew from the school in 1978 , prompting the closing of the seventh and eighth grades . The school continued to offer grades 1 – 6 , taught by three lay instructors . 
 The Benedictine Sisters withdrew from the school in 1978 , prompting the closing of the seventh and eighth grades . The school continued to offer grades 1 – 6 , taught by three lay instructors . 
Da Benedictine Sisters withdrew from tdaschoo in 1978 , prompting thdalosing of the seventh and eighth grades . The school continued to offer grades 1 – 6 , taught by three lay instructors .