First, the good news. Akron Public Schools approved 30 new teacher hires during Monday’s school board meeting. Now the not-so-pleasant update: Teacher recruitment and retention continues to be a challenge for the public school system. Less than two weeks before the start of school for most K-12 students, dozens of classroom-level vacancies remain — including a substantial number at Buchtel Community Learning Center. Late last month, teacher vacancies stood at 160.