PYTR Class

Unlocking human potential

What started with a simple vision has now become an ever-evolving brand. PYTR is committed in delivering an accurate yet easy-to-access knowledge for diploma teachers and students

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For professionals

For students

Discover our Luxury Brand

We work with a vast network of universities, schools, and educational institutions to create a nurturing environment.

Discover our diploma courses

Currently, we are offering reading and classroom materials for IBDP Biology, Chemistry and ESS. The materials are also adaptable for different programme of the same level

Discover our services for Professionals

The PYTR Class author is a workshop leader at the IB. The PD offered by the IB can be found at the official IB website. Additionally, other services beyond the workshops are offered on-request

Diploma Courses

Our online, self-paced courses in IBDP Biology, Chemistry, and Environmental Systems & Societies (ESS) are designed to support both students and educators worldwide. With engaging reading materials, structured classwork, and practice exercises, learners can build confidence, deepen understanding, and prepare effectively at their own pace. Whether you’re studying independently or guiding a classroom, our resources make the IBDP sciences accessible and achievable.

Biology

The IBDP Biology course explores the principles of life, from cell biology and genetics to ecology, evolution, and human physiology. Through clear explanations, guided classwork, and practice exercises, students develop scientific knowledge and analytical skills while preparing for assessments. Designed for flexible, self-paced learning, the course supports both independent study and classroom teaching, making complex biological concepts accessible to learners worldwide.

Chemistry

The IBDP Chemistry course builds a strong foundation in the structure of matter, chemical reactions, energetics, and the role of chemistry in real-world contexts. With step-by-step explanations, exercises, and practice questions, students strengthen problem-solving skills and scientific understanding. The self-paced design supports exam preparation and classroom teaching alike, making advanced chemistry concepts approachable for learners everywhere.

Environmental Systems and Societies

The IBDP ESS course examines the interaction between environmental and human systems, covering sustainability, resource use, biodiversity, and global challenges. Blending scientific knowledge with critical thinking, the course encourages students to explore solutions to pressing environmental issues. Flexible and self-paced, it provides valuable resources for independent learners and educators committed to global awareness and responsible action.