This certifies that Joy Opal Yang 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:
| STANDARD | |||||
| Description | Effective Date | Expiration Date | Status | ||
| Classroom Teacher | |||||
| Languages Other Than English - Chinese | 07/07/2009 | 01/31/2015 | Valid | ||
| Grades (EC-12) | |||||
| Mathematics | 10/31/2009 | 01/31/2015 | Valid | ||
| Grades (4-8) | |||||
| Mathematics | 02/06/2010 | 01/31/2015 | Valid | ||
| Grades (8-12) | |||||
| Physical Sciences | 04/04/2009 | 01/31/2015 | Valid | ||
| Grades (8-12) | |||||