More Challenging Units – Gather 'Round Homeschool USA
While all our units are designed to be done with all ages, we do have some where the content is more challenging. If you have a high schooler or older student that needs to be challenged, try checking out some of our more academic units!

More Challenging Units (124)

Human Body Printed Books

$30.00

US History 1 Printed Books

$20.00

US History 1 Digital Bundles

$15.00

Botany Printed Books

$30.00

Creepy Crawlies Printed Books

$30.00

Human Body Digital Bundles

$19.95

Dinosaurs Printed Books

$30.00

Ancient Civilizations Printed Books

$30.00

US History 2 Printed Books

$20.00

Human Body Digital Posters in Watercolor

$6.99

US History 2 Digital Bundles

$15.00

National Parks Printed Books

$30.00

Intro to Psychology Printed Books

$30.00

Vikings Printed Books

$30.00

Creepy Crawlies Digital Bundles

$19.95

Botany Digital Bundles

$19.95

Ancient Civilizations Digital Bundles

$19.95

Dinosaurs Digital Bundles

$19.95

Chemistry Printed Books

$30.00

Entrepreneurship Printed Books

$30.00

US History 3 Printed Books

$20.00

US History 3 Digital Bundles

$15.00

Human Body Printed Posters in Watercolor

$9.99

Dinosaurs Digital Seatwork Books

$10.95

National Parks Digital Bundles

$19.95

Middle Ages Printed Books

$30.00

Intro to Psychology Digital Bundles

$19.95

Vikings Digital Bundles

$19.95

Botany Digital Watercolor Posters

$12.95

Chemistry Digital Bundles

$19.95
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