Leigh has taught at both the undergraduate at graduate levels, focusing on global reproductive equity.
Her teaching interests include:
- Sexual and reproductive health and rights
- Race, gender and health equity
- Population health metrics
- The quantification of health
- Global health and development
- Reproductive Justice
- Survey research design
- Qualitative methods
- Mixed research methods
In 2016, she was awarded a Certificate of Distinction in Teaching by the Derek Bok Center for Teaching and Learning at Harvard University.