Hartvig Nissens School is a secondary school that offers study specialization with a particular focus on music, dance and drama. The school has an inclusive school health service and counseling service to support the pupils' well-being and development. In addition, there is a student council and an environmental team that work to promote a good school environment, which is an important part of the school's educational approach.
The school has a long and rich history, and has developed a strategic plan for future growth and development. Hartvig Nissen's school plans to move back to Frogner/Uranienborg in the summer of 2025. For pupils with special needs, tailored training and support is offered. Traditionally, graduation ceremonies are held in Oslo Concert Hall, which marks an important milestone for the students.