Which official sources does ParentMath use?
ParentMath uses published 2026–27 Australian Government settings for CCS income rates, higher CCS, hourly caps, subsidised hours and resident income tax. The calculator engine holds those dated assumptions in one place so the figures can be tested and updated together.
Last verified 11 August 2026.
Services Australia: 2026–27 income and CCS percentageServices Australia: higher CCSDepartment of Education: 2026–27 CCS settings and hourly capsDepartment of Education: 72 and 100 subsidised hoursATO: legislated 2026–27 resident tax ratesATO: resident tax rate guidance
When were the settings last checked?
11 August 2026: Re-verified the $88,520 and $538,520 standard CCS income thresholds, 72 and 100 subsidised-hour settings, $15.19 centre-based hourly cap and legislated 2026–27 resident tax rates.
31 July 2026: Re-verified 2026–27 higher-child rates and calculation boundaries against current government sources.
24 July 2026: Published the first 2026–27 assumptions for ParentMath.