We're an independent day & boarding school with 750 pupils and 1/4 of those boarding. 8 of us in total under the umbrella of IT.
Director of IT: budget & strategic planning, is in overall charge of department. All IT staff report to him, so structure is essentially flat
Deputy Director of IT: Deputises for Director of IT, solely responsibly for cyber security & disaster recovery as well as back end of the telephony system. Also responsible for major projects.
Network Assistant(me): responsible for day to day running of the network & server infrastructure, third line support.
Helpdesk Manager: Second Line support, responsible for ensuring SLA's are not being exceeded. Also plans annual desktop replacements and deals with classroom AV kit. Deals with ordering of day to day supplies.
IT Apprentice: First Line support, also responsible for ensuring IT equipment in Houses is in working order and consumable replacement
2 X developers: Our MIS was made in house, so they're responsible for maintenance as well as for the Intranet
Reprographics tech: As it sounds