(a) "Class of certificates" means a certificate with the following characteristics:      
        (1) specific job duties or functions associated with the certificate;       
        (2) standards established by the State Board for Educator Certification (SBEC) for the issuance of the certificate; and       
        (3) comprehensive examination(s) prescribed by the SBEC, as specified in §230.21 of this title (relating to Educator Assessment).       
      (b) Classes of certificates include the following:      
        (1) superintendent;       
        (2) principal;       
        (3) classroom teacher (categories of classroom teaching certificates are described in Chapter 233 of this title (relating to Categories of Classroom Teaching Certificates));       
        (4) reading specialist;       
        (5) legacy master teacher;       
        (6) school librarian;       
        (7) school counselor; and       
        (8) educational diagnostician.       
     Source Note:        The provisions of this §230.33 adopted to be effective August 12, 2012, 37 TexReg 5753; amended to be effective December 27, 2016, 41 TexReg 10309; amended to be effective May 17, 2020, 45 TexReg 3288