Government School

Sefton High School

Secondary school in Sefton, NSW

1,121
Students (2025)
1033
ICSEA?Index of Community Socio-Educational Advantage – measures the socio-educational background of students. Based on parents' occupation, education, and school location. National average is 1000.
15:1
Student:Teacher

About Sefton High School

Sefton High School is a government secondary school located in Sefton, Sydney's North Shore. As a NSW public school, it provides quality education to the local community, catering to students from 7-12.

With 1121 students enrolled in 2025 and an ICSEA score of 1033 (61th percentile), the school serves a community with above-average socio-educational advantage. The student-to-teacher ratio of 15:1 supports quality learning outcomes.

📍 Contact & Location

🎓 School Details

  • Type Government
  • Level Secondary (7-12)
  • Gender Co-educational
  • Students (2025) 1,121 enrolled
  • Teaching Staff 72 (76 FTE)
  • Non-Teaching Staff 14 (14 FTE)
  • ICSEA?Index of Community Socio-Educational Advantage – measures the socio-educational background of students. Based on parents' occupation, education, and school location. National average is 1000. 1033 (61th percentile)
  • Indigenous Students 0%

📊 Student Demographics

Gender
Boys: 580 (52%)
Girls: 541 (48%)
Language Background
LBOTE: 94%?Language Background Other Than English – students who speak a language other than English at home.
English only: 6%
ICSEA Distribution?Index of Community Socio-Educational Advantage – shows the distribution of students across socio-educational quarters. Based on parents' occupation, education, and school location. National average is 1000.
29%
25%
25%
21%
Bottom 29% Lower 25% Upper 25% Top 21%