Original sentence: In May 2011, attorneys for LAUSD began scrutinizing the practice of their own teacher librarians in an attempt to balance their budget.Librarians who could demonstrate they had taught within the past five years could avoid layoff by being classified as teachers
Edited sentence: In May 2011, in an attempt to balance its budget, LAUSD began scrutinizing the practice of the district's teacher-librarians.Teacher-librarians are credentialed teachers and credentialed librarians, and they countered LAUSD's argument, asserting that they teach students every day on how to use the Internet efficiently, effectively, and ethically; conduct independent study and research; and nurture a love for reading and literacy.Teacher-librarians were put on trial, having to demonstrate they had taught within the past five years in order to be classified as teachers and avoid layoff