No, the best evidence of a teacher's professional status is their ability to maintain high standards of instruction. Teacher professionalism is the knowledge, skills, and practices that teachers need to be effective educators.
Some examples of teacher competencies include:
Using instructional strategies that are appropriate to the subject matter
Planning and designing appropriate learning experiences
Developing and sequencing instructional activities for student learning
Using ongoing assessment to monitor student learning
Other evidence of teaching effectiveness includes:
Student evaluations
Assessments of faculty members
Departmental review of syllabi, exams, assignments, and other materials
The number and caliber of students mentored by the candidate