This certifies that Mary Ann Costin has fulfilled requirements of state law and regulations of the State Board for Educator Certification and is hereby authorized to perform duties as designated below:

PROFESSIONAL
DescriptionEffective DateExpiration DateStatus
Deaf/Severely Hard of Hearing11/05/1977Life*Invalid
 Grades (PK-12)
PROVISIONAL
DescriptionEffective DateExpiration DateStatus
Deaf/Hard of Hearing08/18/1965Life*Invalid
 Grades (PK-12)
Speech and Hearing Therapy08/28/1964Life*Invalid
 Grades (PK-12)
*Certificate must be revalidated by successful completion of the appropriate examination. THIS CERTIFICATE IS INVALID FOR EMPLOYMENT IN TEXAS PUBLIC SCHOOLS.

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