Several notable abolitionists were affiliated with various educational institutions during the 19th century. Here are a few prominent figures and their attendance periods:

1. Frederick Douglass - While Douglass did not attend a formal institution for a long period, he was influenced by various educational experiences and self-education. He became a leading voice in the abolitionist movement after escaping slavery in 1838.

2. William Lloyd Garrison - Garrison attended the Newburyport Academy in Massachusetts for a brief period. He was a prominent abolitionist and the founder of the American Anti-Slavery Society in 1833.

3. Harriet Beecher Stowe - Stowe attended Lyman Beecher's school and later the Hartford Female Seminary. She is best known for her novel "Uncle Tom's Cabin," published in 1852, which had a significant impact on the abolitionist movement.

4. Sojourner Truth - Although she did not have formal schooling, Truth became an influential speaker and advocate for abolition and women's rights. Her experiences and speeches were pivotal in the movement during the 1850s and 1860s.

5. Charles Sumner - Sumner graduated from Harvard College in 1830 and later from Harvard Law School. He was a prominent abolitionist senator who fought against the expansion of slavery in the United States.

6. John Brown - Brown was involved in various educational endeavors, including attending the local schools in his youth. He became a radical abolitionist known for his raid on Harpers Ferry in 1859.

These individuals played significant roles in the abolitionist movement, advocating for the end of slavery and promoting civil rights. Their educational backgrounds, while varied, contributed to their development as leaders in this critical social movement.