Final answer:
The International Association of Counseling Services recommends a minimum staffing ratio of one full-time equivalent staff member for every 1,000 to 1,500 students in a boarding school or college environment.
Step-by-step explanation:
When considering the number of boarding PAs (Presumably, Personal Assistants or Professional Assistants) required for a given student body, the International Association of Counseling Services recommends a minimum staffing ratio. This suggested ratio is one full-time equivalent staff member for every 1,000 to 1,500 students. This guideline can help ensure that there is adequate support and assistance for students in a boarding school or college environment.