§ 912-b. Speech  and  language  improvement  services. 1. The board of  education or trustees of  each  school  district  and  the  city  school  district  of  the  city  of  New  York  may  provide speech and language  improvement services to students in grades kindergarten through six with  speech impairments of a severity that  does  not  adversely  affect  the  student's educational  performance  but  does  present  a  barrier  to  communication. 2. Any student, who is determined to be in need  of  such  speech  and  language improvement services, shall receive such upon the  recommendation of the building administrator. 3. A student, whose speech impairment adversely affects the  student's  educational  performance  shall  be referred to the committee on special  education  for  further  evaluation  and  recommendation for special  education services and programs, pursuant to article eighty-nine of this  chapter.