Neena,
As asked by Karira, pl specify about the affiliations , govt , non govt ship of the school.
Further as the matter is pertaining to PPF , all the authorized and recognized schools maintain their EPF or PPF Accounts with individual Account No in the Regional Commissionr PF Office. SO why dont you try to contact the Head office i.e. Bhavishya Nidhi Post
Office (Bandra)
Provident Fund Building, Eastern Express Highway, Bandra (E), Mumbai Pin 400051 Tel. 26475190.
From here you can get the details of your PF account.
In fact you can also see your details and other such issues directly from the PF website.
Here you can also find further details from the site link:
EPFO
Abhinav