Section 10-145d-481 - Validity of certificates(a) Certificates shall be endorsed for grades 1-12.(b) This certificate, or another appropriate certificate, also shall cover the teaching of developmental reading and language arts at the grade levels for which the certificate is endorsed. A secondary English certificate also may cover the teaching of developmental reading and language arts in grades five through 12. An elementary teaching certificate may cover the teaching of developmental reading and language arts at the grade levels for which the certificate is endorsed.Conn. Agencies Regs. § 10-145d-481