In which of the following areas is the contribution of Savitribai Phule highly acclaimed?

Savitribai Phule, widely regarded as India's first female teacher, made pioneering contributions to the education of women and marginalized communities in nineteenth-century Maharashtra. Alongside Jyotirao Phule, she opened the first school for girls at Bhide Wada in Pune in 1848, challenging entrenched patriarchal and caste barriers.