The All-Girls' Advantage
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Made For You
At Mercy our students thrive in an environment where girls lead and engage - in every classroom discussion, in every club, and on every team. As the International Coalition of Girls Schools states, "We believe a school for girls is better than a school with girls."
The All-Girls’ Advantage at Mercy
Mercy Girls Grow into Strong, Confident Women
We are a school built for girls to grow into empowered women. With our dedication to the all-girls' advantage, we lay the foundation for independence and excellence in our students’ lives. In a setting designed exclusively for girls, every voice is heard, every leadership opportunity is real, and every challenge becomes a chance to learn and grow.

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International Coalition of Girls’ Schools
The International Coalition of Girls’ Schools (ICGS) partners with leading research institutes to study the power of single-gender education. Their findings echo what we see every day on campus: when girls are centered, they thrive academically, socially, and personally. Our philosophy links directly to those results, because education, at its best, stretches far beyond test scores.
Want to dive deeper into the research? Visit ICGS to learn more about the lasting benefits of an all-girls environment.
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Where Every Girl’s Voice Matters
All girls’ school environments amplify girls’ voices, encouraging them to speak up and lead from an early age.
At girls’ schools, students are not just invited, but they are expected to share their thoughts openly and confidently.
A national survey found that nearly 87% of girls’ school students feel their voices—their opinions—are respected compared to 58% of girls at coed schools.” ICGS Data
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What Studies Confirm and What Mercy Brings to Life
Stronger Academic Skills
Girls’ schools cultivate critical thinkers. Over 80% of alumnae rate their academic journey as deeply successful.
Increased Self Confidence
Girls educated in a single-gender environment report higher self-confidence than their coed peers — and 80% go on to hold leadership roles in college and career.
STEM Success
Graduates of girls’ schools are 6× more likely to consider STEM majors and 3× more likely to enter engineering fields.
Higher Testing Scores
Students in all-girls settings often outperform their coed counterparts on standardized exams like the SAT.
Stronger Community Involvement
Mercy students actively volunteer, engage in environmental and civic causes, and believe in serving something greater than themselves.
Greater Interest in Graduate School
The majority of students in single-sex schools expect to earn four-year degrees, and two-thirds aim even higher toward graduate-level work.
Support for Girls’ Unique Learning Styles
Classrooms at Mercy reflect how girls learn. More than 95% of students say they receive strong engagement from teachers and feel comfortable participating in class.
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How Can We Help?
Our Admissions Team is here to assist you at any point during the application process.
Call us at 650.762.1114 or email anytime at admissions@mercyhsb.com.








