The HomeSchool

Association of California


Specializing in science and outdoor education resources for grades K-12. Hundreds of books, games, science and nature kits, DVDs, curriculum, instructional displays, anatomical replicas, microscopes, journaling supplies, tracking resources, field guides, storytelling resources, insect nets, field test kits, hand lenses and more. Walk-in retail store located in Tustin, California.

California ReLeaf, a nonprofit urban forestry organization, has a variety of lessons, activities, and challenges for 3rd, 4th and 5th grade students, including an California Arbor Week Poster Contest. Homeschool students can participate as a class or individually and win prizes. Lessons meet California Science Content Standards and are a great way to teach children about trees and nature.
Contact: Kathleen Ford


What are Earth Cards? Trading cards? Flash cards? Game cards? Animal cards? Earth Cards are all of these. Collect them like baseball cards. Play games with them like a game deck. Use as flash cards for learning. Trade with friends.

We provide exciting and hands-on learning of the fundamentals in life science & physiology (conducted in small groups) and we also offer support for students who want guidance in exploring their own scientific questions.
Contact Jennifer Eustaquio at .

The award-winning Know Yourself Adventure Series is a monthly journey of self-discovery that leads young learners across time and space as they explore the wonders of the human body through science, art, history, food and culture.

Contact: Carolina Altamirano

We offer a high school astronomy course that can be used as an elective or one semester's credit in earth science. Included: a textbook, workbook, Student CD and Teacher CD, with keys! All for $28.95! Go to:

contact: Joanne Papini, Makerspace for kids with mega building materials, 3D printers, power tools, paint wall, glow room, ongoing escape room project, chemistry lab, engineering vending machine, sewing center. We do parties, classes, camps and field trips!

Play-Well TEKnologies provides project-based programs designed to teach principles/methods of engineering to ages 5 - 14, utilizing over 100,000 pieces of LEGO®. We have been teaching home-school programs in CA for the past 11 years.

Contact Jeffrey Harry Email:

Chem, phys & math tutor with 25+ years experience. AP and SAT subject test prep too. In-home tutoring on SF peninsula or by Skype elsewhere. I can help your student master the concepts and build a foundation for future success!
Contact: Larry Friedrich

High-end education and research group offering advanced hands-on courses in science and mathematics