Aaicha Gho: Shikshanachya

It sounds like you're referring to the popular Marathi phrase (शिक्षणाच्या आईचा घो).

This is a humorous, slightly irreverent twist on the more formal Marathi phrase Shikshanacha Paha Gho (शिक्षणाचा पहा घो), which itself comes from the slogan — originally a playful take on promoting education and experience. Shikshanachya Aaicha Gho