Sayyeshaa did her initial schooling in England till Grade 5 after which she came to India and finished her Grade 12 from Ecole Mondiale World School in Mumbai. Sayyeshaa has always been a very brilliant student and scored above 90% throughout her schooling. Although academically brilliant, Sayyeshaa was always inclined, even as a young kid, to dancing and music. She began formal training in dance in London in the Latin-American style of dancing when she was 10 years old.
Sayyeshaa Made her debut by acting in Tamil film Akhil and made her Bollywood debut starring opposite Ajay Devgan in his directorial venture Shivaay. She was praised for her role in the movie but the biggest highlight of her career so far was her tribute to south Indian actors at the SIIMA awards where she set the stage on fire with her dance performance and grabbed many eye balls.