He had his initial education in Government Higher Secondary School in Rewari, (now in Haryana, previously in Punjab),
He studied law from 1880 at Government College, Lahore. He started his legal practice in 1885 in Hissar.
Lala Lajpat Rai was one of the three most prominent Hindu nationalist members of the Indian National Congress. He was part of the Lal-Bal-Pal trio. The other two members of the trio were Bal Gangadhar Tilak and Bipin Chandra Pal.