Professional development does not have to be job specific.
There are certain skills that should be gained by all ESP:

• Effective discipline
• Interpersonal communication skills
• Diversity awareness
• Stress management
• Motivating at-risk students
• Working with special needs students
• Crisis intervention
• School safety (for example, gang awareness)
• Self defense
• Customer/community relations
• Health and safety issues (for example, blood borne pathogens)
• Time management
• Dealing with difficult people
• Legal and ethical issues
• Leadership skills
• CPR/first responder courses
• Reporting suspected child abuse