Human Development & Sex Education
Comprehensive, age-appropriate lessons on healthy relationships, dating, the developing body, and sex and sexuality — aligned with modern health standards and fully viewable by parents.
Built entirely by psychological professionals.
Every lesson is created entirely by psychological professionals — including doctoral candidates, licensed psychologists and psychology researchers. All information is pulled directly from the latest peer-reviewed research in human relationships, adolescent development, and sex and sexuality.
Doctoral candidates
Lessons written by psychology doctoral candidates working at the edge of the field.
Licensed psychologists
Content shaped and reviewed by practicing, licensed psychologists.
Psychology researchers
Every claim traced to the latest peer-reviewed research.
Core topics
Healthy relationships
Respect, trust, communication and boundaries in every kind of relationship.
Dating dynamics
Consent, healthy versus unhealthy behavior, and navigating dating safely and respectfully.
Human body development
Clear, accurate information about puberty and how bodies grow and change.
Sex & sexuality
Medically accurate, age-appropriate education aligned with modern health standards.
Click through. Check understanding. Learn why.
Each lesson pairs short, interactive content with standardized multiple-choice questions and clear explanations. Students learn at their own pace, teachers can project lessons in class, and parents can view and take every lesson.