Claiborne County SchoolsVolunteer - Applicant Should Note School Preference in Resume Claiborne County SchoolsVolunteer - Applicant Should Note School Preference in ResumeMountain Top, PAVolunteers in grades K-12 serve as vital links between the community and the school, supporting student success through academic assistance, athletic support, and event coordinator. Age: Adult volunteers must typically be at least 18 years old; student volunteers (upper grade students) must be at least 16 years old to work independently in some settings.