Welcome to
Kepler College

Guiding you through 5,000 years of astrology.

Voted Favorite Astrology School at the ISAR conference

2025 Symposium

September 4 - 7, 2025

Crowne Plaza Riverside, Niagara Falls, NY

Happening Now

Curious about the latest? Click below to explore current courses, free educational webinars, and workshops at Kepler College.

Astrological Heritage: Enlightenment to Modern

Astrology has a rich heritage stretching back thousands of years. This class offers a survey of the history of astrology from the late Renaissance to modern times, primarily in the West. Study how astrology continued to fit into the cultural milieu of each sequential historical period.

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Thema Mundi chart in traditional square horoscopic chart format, four Corinthian columns graduating in size in the distance, greek decorative border "meander design," portrait of Amy Angelo, Kepler College logo

Introduction to Natal Hellenistic Astrology

Explore the foundational concepts of traditional astrology through the lens of the Thema Mundi, the mythical birth chart of the world. Study the four pillars of Hellenistic astrology: planets and sect theory, zodiac signs and rulership schemes, the houses, and aspect theory.

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Zodiacal Releasing

Study this potent Hellenistic astrology timelord technique that reveals the timing and multi-layered nature of pivotal events and peak life experiences in ways that are unlike any other astrological timing method.

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Our Courses

Welcome! Click below and begin your Astrological journey at Kepler College. Our Courses Page is where you’ll learn more about our Diploma and Certificate Programs, as well as our workshops and free educational webinars.

About Kepler College

Kepler College is one of the longest-established schools of Astrology in the United States, founded in 1992 and named in honor of the 16th-century Astrologer, Astronomer, and Mathematician Johannes Kepler. Kepler College draws students worldwide seeking the best in quality Astrological education. Unlike astrology schools limited to one guru serving as the solo teacher, Kepler College offers a broader perspective. Our school includes many highly-qualified Astrological instructors, all passionate about guiding students through their educational journey.

In August 2022, Kepler was honored with the award of Favorite Astrology School, voted by a peer community of international astrologers, at the ISAR (International Society of Astrological Research) conference in Westminster, Colorado. 

Kepler College is a registered 501(c)(3) with a dual governance system, allowing us to meet the needs of our students while maintaining a vibrant and flourishing learning community. The leadership of Kepler College consists of a Board of Directors and an Administration Council, and a group of instructors who are experienced, professional Astrologers.

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What Our Students Have to Say

Kepler Spotlight

Portrait of Inga Thornell

Inga Duncan Thornell graduated from Kepler College with a BA in East-West Studies and a minor in Mythology. She continued her studies at the University of Wales, Trinity St. David in the Cultural Astronomy and Astrology program. Inga’s goal is to help her clients to better understand and constructively utilize the planetary energies in their lives by recognizing them within themselves and others and to invoke their powers at will. Please see www.dunthor.com for information. Inga teaches the upcoming Fall Term course RH117 – Astrological Heritage: Enlightenment to Modern.

Chart your Course in Astrology today.