This thread is created from posts on an earlier thread ("school photos") . Viv.
For ref a summary from the Britsh History Online site.
ST. MARY'S R.C. SCHOOL, Wills Street (B dept.), Brougham Street (G and I depts.). St. Mary's R.C. Sch. established 1850. Built with help from Cath. Poor Sch. Cttee.A.a. 1851: 80 G and I; taught by Sisters of Mercy H.M.I. gave good report 1852. This sch. was presumably the present Brougham St. one, near the convent. B dept. opened 1859 in new building (presumably in Wills St.) comprising one schoolroom. Fees 1d.–4d. Accom. by 1880: 534. B dept. enlarged 1890, and G and I depts. 1894. Altered 1935.St. Silas's Mission Church Hall and 2 rooms in convent used from 1949; accom. in St. Francis's Mission Hall provided 1950. Became an aided sch. 1953. Hall built, as first instalment of new sch., 1954. G and I depts. united 1954. Accom. 1955: 21 classrooms.