Deloraine High School is a government co-educational comprehensive secondary school located in Deloraine, Tasmania, Australia. Established in 1952, the school caters for approximately 300 students from Years 7 to 12. The school is administered by the Tasmanian Department of Education.

In 2020, student enrolments were 270. The school principal is David Lietzau.

In 1991, Deloraine High School had a major redevelopment costing approximately AUD$1 million and it upgraded the main core classrooms, the music classroom, and the two science labs.

In 2019, the Office of Tasmanian Assessment, Standards, and Certification reported that 55% of students achieved the Tasmanian Certificate of Education, 33% achieved an Australian Tertiary Admission Rank, and 12% attained a VET Certificate.

In 2020, the Australian Curriculum, Assessment and Reporting Authority reported that Deloraine High School reported that of the 270 students enrolled, 57% were identified as boys, 14% identified themselves as Indigenous, and 3% had a language background other than English.

• List of schools in Tasmania
• Education in Tasmania