Small leaks — a waived late fee here, an unbanked collection there, a ledger entry that never matched the receipt — compound quietly. Put your numbers in and see what a year of them costs.
Runs entirely in your browser; nothing you type is sent anywhere. A planning estimate from percentages you choose — not an audit of your school.
Fee leakage is rarely theft; it is friction. A parent pays late and the late fee is waived with a smile because arguing costs more than the fee. Cash collected on a busy Monday is banked on Thursday, and one bundle's count never quite matches. A concession granted verbally in 2023 became a precedent nobody recorded. The register says one number, the receipt book another, and reconciliation happens once a year under audit pressure — which is exactly when it is hardest. None of these incidents feels like a loss at the time; the calculator above simply multiplies their honest frequency by your revenue so the year's total becomes visible.
Treat the result as a hypothesis worth one afternoon of testing: pick a month, reconcile receipts against the ledger and the ledger against the bank, and see how close your guessed percentages were. Schools that do this usually find the leak concentrated in one or two of the four sources rather than spread evenly — which is good news, because a concentrated leak has a concrete fix: late fees applied by printed rule, cash windows shrunk by UPI collection with instant receipts, concessions recorded with named approvals, and a ledger that reconciles continuously instead of annually.
Four places, mostly: late fees waived informally at the counter, cash collected but banked late or partially, ledger errors when fees are tracked by hand across registers and Excel, and concessions that were never formally approved but became precedent. Each is small per incident; across a year and hundreds of students they compound into the number this calculator estimates.
They are conservative starting points, not measurements. Schools that have moved from manual registers to systematic collection typically discover their true leakage only afterwards, when receipts, ledgers and bank deposits reconcile line by line. Set the sliders to your honest guess, then treat the answer as a reason to measure, not as an audit.
No — it is a planning estimate that multiplies your revenue by leak percentages you choose. A real answer needs your receipts, ledgers and bank statements reconciled, which is an afternoon's work with clean records and a season's work without them.
By making the leak-prone steps systematic: digital fee collection with instant receipts so cash handling shrinks, late fees applied by rule rather than mood, concessions recorded with approvals, and a ledger that reconciles against the bank automatically. That is the fee module of a school ERP doing its job — the calculator just shows what the status quo costs.
Related: the fee collection projection and late fee & concession calculator.
SchoolDeck collects fees on UPI with instant receipts, applies late fees by rule, records every concession with an approval, and keeps the ledger reconciled continuously.
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