Complex sentence: In 2000, Autonomous Nonprofit Organization "Classical Yoga School of V. Boyko" was registered, which was renamed in 2005 to become simply "Yoga School of V. Boyko".
Split into simpler sentences: In 2000, Autonomous Nonprofit Organization "Classical Yoga School of V. Boyko" was registered. It was was renamed in 2005 and become simply "Yoga School of V. Boyko".