Multi-Academy Trusts (MATs) are facing increasing pressure to manage workforce costs, strengthen safeguarding, and provide a positive experience for staff – all while navigating growing administrative workloads. When HR and payroll operate separately, essential information becomes fragmented. Leaders lose sight of what’s happening across the trust, and small issues often escalate into costly challenges before anyone has the chance to intervene.
Integrating HR and payroll systems changes that. By connecting people data, absences, contracts, allowances and pay in a single real time system, MATs gain earlier visibility, clearer control and significantly fewer manual tasks. Put simply, integrated data helps leaders identify and resolve workforce issues before they become expensive problems.
Why disconnected systems are costing MATs money
One of the clearest examples is supply spending. Benchmarking data shows that primary academies spend an average of over £50,000 a year on supply staff, underlining the financial impact of unmanaged absence.
When absence information sits in HR and financial data sits in payroll, it’s difficult for leaders to see the full picture until the invoice arrives. Schools end up reacting to staffing issues rather than planning for them. With integrated systems, absence patterns and financial impact appear together, giving trusts the ability to predict pressures and avoid unnecessary agency reliance.
The same applies to overtime and allowances. Many MATs still manage additional hours through spreadsheets or manual forms, making it easy for unapproved, late or incomplete submissions to slip through. Budget owners typically get visibility only at month end, far too late to take corrective action. Integrated workflows highlight rising costs as they happen, helping trusts keep in month spending under control.
Manual rekeying adds another layer of cost and risk. When a contract change is typed into the HR system, then re-entered into scheduling, then replicated again in payroll, inconsistencies become highly likely. A missed hour, incorrect allowance or mis-entered date can ripple across pay, pensions and workforce data. A unified platform removes much of this duplication, preventing many of the most common MAT payroll errors.
How integration strengthens safeguarding and reduces risk
Safeguarding remains one of the most critical responsibilities across education. Yet disconnected processes can fragment key safeguarding and compliance tasks. Recruitment checks, right-to-work data and payroll eligibility often move between teams by email or spreadsheet, creating opportunities for important steps to be
missed. Integration creates a clear, auditable and consistent workflow that ensures documentation, start dates and eligibility remain aligned across every school.
Payroll accuracy is another major source of operational risk. Without integrated data, issues such as missing hours or incomplete contract information often emerge only days before payroll needs to close. Integrated systems flag these discrepancies in real time, allowing teams to resolve them early and avoid costly last-minute fixes.
As trusts expand, variation across schools can introduce additional risk. Different templates, pay scales or absence categories make it harder to maintain consistent governance. A single HR and payroll platform gives MATs uniform processes and data, strengthening control and delivering a fairer experience for staff. While systems alone don’t replace robust safeguarding processes, integrated data significantly reduces the risk of gaps or misalignment.
How HR teams reclaim time and improve colleague experience
Integration dramatically reduces the workload for HR teams. When data is entered once and automatically flows through to payroll, there’s no need to reconcile conflicting versions or spend hours cleaning up information at month end. HR teams get back valuable time that can be redirected into strategic work and supporting school leaders.
Colleagues also benefit from a better experience. Integrated self-service tools allow staff to view payslips, check absence balances, update personal details and confirm contract information without having to contact HR. This reduces routine queries and empowers staff with the information they need.
Perhaps most importantly, connected HR and payroll data unlocks a richer level of workforce insight. Leaders can see early signs of attrition risk, wellbeing concerns or recruitment bottlenecks in a way that siloed systems simply can’t provide.
For example, trusts can identify patterns such as rising short-term absence in specific schools or roles, and link this directly to supply spend or workload pressures. That’s important as trust benchmarking shows that absence can equate to thousands of lost staff days each year, often translating directly into increased supply costs and payroll complexity.
This gives MATs the confidence to make proactive, informed workforce decisions that support long-term trust performance.
The bottom-line impact
When HR and payroll work together in one system, trusts achieve lower supply and overtime costs, fewer payroll errors, stronger safeguarding, more accurate budgets and a better experience for staff. Integration also gives HR teams the space to focus on higher value work, rather than getting lost in repeated administrative tasks.
Start the conversation
If you’d like to explore how integrated HR and payroll can help your trust cut costs, reduce risk and give your teams more time to focus on what really matters, we’d love to continue the conversation in person.
Zellis will be at the Schools & Academies Show 2026 at ExCeL London on 7 May, where our experts will be talking to HR and Finance Directors from across the sector to discuss practical steps to modernise workforce management and payroll.
Come and find us on the day — or get in touch now to arrange a dedicated conversation. We’d be delighted to help your trust move forward with confidence.
