The school was managed as a proprietary institution and in 1871, about a year after the death of Pogose, it was taken over by Mohini Mohan Das, a banker and zamindar.

According to historian Muntasir Mamun, Pogose Laboratory School and College, IER, Jagannath University started in 1848.

[1] It was also found that the school may have started a few years earlier as 99 students were suspended due to their inability to pay extended fees.

After the death of Mohinimohon Das in 1896 the school was looked after by the trustee board of the Zamindari Estate, who moved it to Chittaranjan Avenue where it still stands today.

In the Jubilee report of the school Monindrachandra Vattachariya mentioned Pogose was the headmaster until 1855 and were used to give 3,000tk per month even after his departure.

Poet Shamsur Rahman, Kaykobad, editor Kaliprasanna Ghosh, writer and Marxist activist Somen Chanda and comedian Bhanu Banerjee, as well as Zahirul Haque, Director of Banking Control of Karachi, the writer Nowsher Ali Khan Yusufzai, Journalist M Mamun Hossain and Babu Mathuramohan Chakraborty, the founder of Ayurvedic medicine house Sakti Ausadhalaya studied here.