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At Penrhos, we believe in the power of a girls-only education. We see the benefits every day – in the way our students think, lead, create and connect. Whether in the classroom, on stage, on the sports field or simply during their breaks, our girls thrive in an environment designed just for them.

A girls’ school provides more than just academic opportunities. It nurtures confidence, encourages leadership and empowers students to challenge stereotypes. At Penrhos, this aligns with our core commitments: No ceilings. Make your own adventure. Find the fun. Be a force for good.

“When girls become the focal point, they rise to a greater level of development than might otherwise ordinarily be the case.”
Watson, Quatman and Edler, 2002 Career Aspirations of Adolescent Girls: Effects of Achievement Level, Grade, and Single-Sex School Environment
The evidence

Extensive research by the Alliance of Girls' Schools Australasia (now part of the International Coalition of Girls' Schools) supports the positive impact of single-sex education for girls across four key areas:

1. Wellbeing and Safety

Girls in single-sex schools consistently report feeling safer, more supported and more comfortable being themselves. Studies show:

  • Lower rates of bullying and aggressive behaviour
  • Fewer classroom disruptions
  • A stronger sense of emotional security

2. Confidence, Self-Image and Finding Her Voice

In a girls-only setting, students are free from the limitations of gender stereotypes. They:

  • Develop stronger self-worth and confidence
  • Are more likely to speak up, ask questions and lead
  • Feel empowered to explore male-dominated subjects and fields
  • Learn to challenge social and cultural gender biases

3. Participation and Enjoyment

Girls are more likely to get involved – and enjoy doing so. Research shows:

  • Greater participation in STEM subjects
  • Higher enjoyment and engagement in maths and science
  • Increased aspirations for careers in traditionally male-dominated industries like engineering and construction

4. Academic Success and Future Aspirations

The data is clear: girls’ schools help students aim higher and achieve more. Girls in single-sex schools:

  • Perform around 10 percentage points higher academically (even after adjusting for background)
  • Have stronger tertiary entrance results and NAPLAN scores
  • Are more likely to pursue graduate and postgraduate study
  • Gain greater access to leadership roles – because every role is filled by a girl

 

Research cited from The Girls’ School EdgeAlliance of Girls’ Schools Australasia (now part of the International Coalition of Girls' Schools)