Tutor utilisation and agency margin

A tutor can look busy while carrying too many unpaid gaps. An agency can show healthy sales while fixed costs consume the remaining margin. Weekly operating numbers should expose both conditions before the quarter closes. Begin with hours that can actually be sold, hours that were delivered, parent revenue from those lessons, and the direct cost of delivery. Keep taxes outside the operating calculation unless your local reporting convention requires another treatment.

Use a consistent time window. Four weeks works well for weekly agencies because coordinators can investigate changes while the bookings are still familiar. A calendar month is easier for accounting. Choose one and keep the definitions stable. If trial lessons, group classes, or packages behave differently, report them as separate lines before combining totals. A blended number can hide a weak service type.

Ratio one: delivered utilisation

Delivered utilisation equals paid teaching hours delivered divided by the teaching hours a tutor committed for sale. Suppose a tutor offers 20 hours each week and works 14 paid hours. The utilisation rate is 14 divided by 20, which equals 70%. Use delivered hours in the numerator. A reserved slot that the family cancels may produce revenue under your terms, yet it did not use teaching capacity in the same way. Track paid cancellations on a separate line so scheduling and finance can read the same event correctly.

Availability needs a clear meaning. Count a slot only when the tutor has committed it and the agency can offer it to a student. Do not count every free hour in the tutor’s personal week. That denominator would punish part-time tutors for time they never offered. Exclude agency-wide closures. Keep onboarding or mandatory training in a separate labour measure because those hours support delivery without being sellable lessons.

Gross margin per tutor

Gross margin per tutor equals lesson revenue minus tutor pay and other direct delivery costs. In the illustrative month, £2,912 of revenue minus £1,736 of tutor pay minus £146 of direct costs leaves £1,030. The gross margin rate is £1,030 divided by £2,912, which equals 35.4%. The currency amount tells you what this tutor contributes toward the agency’s fixed operating costs. The percentage makes tutors or service lines with different sales volumes easier to compare.

Define direct costs once. Tutor pay clearly belongs there. Payment processing tied to lesson revenue usually belongs there too. A coordinator’s salary is often a fixed operating cost when the role supports the whole agency. If coordinator hours rise directly with each lesson, management may also view some of that cost per session. The chosen treatment matters less than consistency across periods and an explicit reconciliation to the accounts.

Ratio two: contribution coverage

Contribution coverage equals total gross margin divided by fixed operating costs for the same period. Imagine the agency produces £12,600 of gross margin in a month and carries £10,000 of fixed costs. Coverage is 1.26. A ratio above 1 means current gross margin covers those fixed costs. At 1.26, the operating cushion is £2,600 before items excluded from the calculation. A bad quarter becomes visible when utilisation falls and coverage approaches 1 across several reporting periods.

Run a simple stress case before hiring or signing a long lease. Reduce delivered hours by 15% while holding committed tutor capacity and fixed costs steady. Recalculate tutor pay only where pay follows delivered hours. Then apply any refunds or cancellation rules. If coverage falls below 1, record how many weeks of cash can fund the gap. This exercise turns a vague worry about seasonality into a named revenue shortfall and a date for action.

Read the two ratios together

• Low utilisation with healthy contribution coverage often means the agency has a short-term capacity surplus. Check tutor mix, unpopular time slots, and demand by subject before adding more availability.
• High utilisation with weak contribution coverage points to pricing or direct cost pressure. Review discounts, package breakage, tutor rate changes, payment fees, and unpaid service work attached to each lesson.
• Falling utilisation and coverage below 1 require a dated response. Freeze optional fixed spending, review capacity commitments, and contact families whose session cadence has slowed.
• Very high utilisation can create a service risk. Families may wait for suitable times, tutors may lose preparation time, and coordinators may have no capacity for exceptions. Track waiting time beside the ratio.

Segment the dashboard by subject, tutor type, and service format when the totals change. Use a minimum group size that avoids exposing an individual’s private pay details to staff who do not need them. Management needs enough detail to act, while tutors should receive the measures relevant to their own schedule and contract. The purpose is earlier operational judgment, not a public league table.

A weekly review that takes 20 minutes

Each Monday, compare the latest four-week window with the previous four weeks. Flag movements beyond a threshold chosen from your own history. Open the underlying lessons for every flag. Assign one owner and one review date. Close the meeting by recording expected effects on utilisation or coverage. This short routine keeps the measures attached to decisions instead of turning them into a monthly report that nobody uses.

Should cancelled lessons count in utilisation?

Count delivered teaching hours in the main utilisation ratio. Show paid and unpaid cancellations beside it. This preserves a clean capacity measure while giving finance the revenue treatment it needs.

What is a good utilisation target?

Set the target from your delivery model, peak times, and service promise. A universal benchmark can mislead an agency with narrow after-school demand or tutors who offer only a few committed hours. Use your own stable periods as the first reference.

Can gross margin per tutor be used for performance reviews?

Use it as an operating measure. Tutor quality, subject scarcity, learner fit, and retention evidence require separate review. Explain the calculation and limit access to sensitive pay data.