The BG Difference

Employment Opportunities

All applicants for any role at Bishop Guertin High School understand that our mission is, first and foremost, the formation of the children in our care. Through comprehensive college preparatory curriculum, we seek to provide students with the academic tools for future success. As importantly, we strive to provide them with a religious, moral, and ethical foundation that will form them as young men and women of character capable of transforming for the better the world in which we live. 


All applicants for positions at Bishop Guertin High School must complete an application form and submit a cover letter and resume highlighting the person’s relevant experience and references. If chosen, all candidates must also complete appropriate background checks and diocesan training before the contract is final. Application materials may be submitted via email to


Bishop Guertin is an equal opportunity employer providing opportunities to all without discrimination on basis of race, color, national origin, sex, religion, age, disability, political beliefs, and marital or familial status.


Environmental Science Teacher


Bishop Guertin High School seeks a full-time Environmental Science teacher for the 2022-2023 school year.  The ideal candidate will possess a strong background in the subject area, experience teaching at the high school level, high academic standards, and a commitment to the whole-person formation of students.  Candidates with the ability to teach Biology or other science disciplines are preferred and encouraged to apply.  Interested candidates should submit a cover letter and resume to Mr. Daniel Gurall, Vice Principal, at

School Counselor (1 full time, 1 part time)


Bishop Guertin High School seeks full-time (1) and part-time (1) School Counselors for the 2022-2023 school year.  The ideal candidate will possess experience in school counseling at the high school level, including counseling work supporting students with regard to: academic success, social-emotional well being, career readiness, and, especially, college admission.  Interested candidates should submit a cover letter and resume to Mrs. Brenda Poznanski, Director of School Counseling and Admission, at

School Nurse - Part Time


Part Time – 1-2 days per week plus occasional substitute coverage


Bishop Guertin High School seeks an experienced part-time nurse to join a two-person nursing team.  A school nurse at Bishop Guertin works closely with the administration, school counselors, faculty, and athletic trainers to support and promote the health and wellness of approximately 800 students and 100 adults.  The nurse maintains medical records, medications, equipment, and supplies and ensures that health requirements/policies are met.  The nurse evaluates and treats minor illnesses and injuries during the day, determines when a student may need to go home or be referred for additional treatment, and coordinates the school’s response to medical emergencies during the day and at designated school events.


The ideal candidate will be experienced in working with high school-aged students and their parents. Candidates must hold a New Hampshire license as a Registered Nurse (or equivalent). The school nurse must possess effective written and verbal communication skills.  Candidates must be comfortable with technology, possess outstanding organizational skills, maintain appropriate confidentiality, and provide confident leadership in stressful situations or emergencies.

Please review the job description for details.  Flexible schedule options are available and salary is commensurate with experience.  To apply, submit a cover letter and resume to Mr. Robert Forrester, Dean of Student Formation, at

Night Custodian - IMMEDIATE





Primary Duties will include (but not limited to):

– Light Cleaning and Maintenance of school spaces

– Replacement of Paper Products in Rest Rooms

– Delivering items to offices

– Liaison with night cleaning service

– Securing building doors prior to departure

– Other tasks as needed


Complete application and submit.


Applicants must have H. S. diploma or equivalent