Forty States’ Certification Systems are Better Suited to Retain High School CTE Teachers than Pennsylvania. In 80% of all states, where 2.3 million educators are teaching in public schools, Career and Technical Education (CTE) teachers can attain tenure via a non-academic pathway that tests their industry skills, or by earning significantly less academic credits than Pennsylvania requires. Read more about how an Alternative Pathway for CTE Instructor II Certification Can Improve CTE Outcomes.