Under the Seventh Schedule of the Indian Constitution, despite being a subject of the State List, in which historical and administrative city of Uttar Pradesh is the 'Uttar Pradesh Secondary Education Services Selection Board' (UPSESSB)—established for the employment, selection, and disciplinary control of teachers in upper primary and secondary schools of the state—located?

The headquarters of the Uttar Pradesh Secondary Education Services Selection Board (UPSESSB) is located in the Prayagraj (formerly Allahabad) district of Uttar Pradesh. This board was established under the Uttar Pradesh Secondary Education Services Selection Board Act, 1982 for the selection and recommendation of Trained Graduate Teachers (TGT) and Postgraduate Teachers (PGT) for non-government aided secondary schools in the state. It is a highly significant institution from the perspective of educational administration and examination management.