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Case studiesHigher education

Charles Darwin University

A single semester of paid digital marketing across search, paid social and display generated 9,187 student applications for Charles Darwin University. At the university's 59% application-to-enrolment acceptance rate and stated A$10,000 lifetime value per enrolled student, A$54.01M of attributable revenue from the activity. 16.58% of CDU's published annual top line in the same period.

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Outcome

in attributed revenue from a single semester of digital activity· Single-semester intake

Client

Charles Darwin University

Industry

Higher education

Region

AU + South America

Engagement length

Single-semester intake

Services touched

  • Search
  • Social
  • Data

01The challenge

A 4.4× CPA overrun on the previous agency, and a Vice-Chancellor who wanted the number in dollars.

Charles Darwin University, ranked among the top 100 universities in the Asia-Pacific, was preparing for a major intake cycle with student application targets across 17 faculties. The previous agency had delivered applications at A$220 cost per acquisition, 4.4× more expensive than the A$50 they were originally engaged for.

The brief was direct: rebuild the entire digital recruitment programme, hit the application targets, and demonstrate commercial return that the university's executive could actually use in board reporting.

Most digital marketing reporting stops at clicks, conversions and cost per acquisition. Those metrics matter, but they do not tell a Vice-Chancellor what the activity is worth to the institution. The work had to be measurable in the language the executive uses: dollars of attributable revenue against a known top line.

CDU sepsis research programme

02The approach

Seventeen faculty sub-campaigns, four channels, ring-fenced budgets, one revenue model.

The campaign was rebuilt across paid search, paid social, display and retargeting, with separate budgets, audiences, creative and conversion paths for each of the 17 faculties. Cross-faculty optimisation was not permitted because faculties owned their own budgets. The campaign had to make its margins inside each faculty's allocation.

The revenue attribution model was built on two figures the university already published: the historical 59% acceptance rate from submitted application to confirmed enrolment, applied to every measured application as a conversion multiplier; and the stated A$10,000 lifetime value per enrolled student, used as the revenue multiplier.

The result was a board-reportable revenue figure rather than a CPA-only performance dashboard. Every faculty's spend rolled up into a measurable contribution to top-line revenue.

CDU NACOG research programme

03The result

A$54.01M of attributable revenue, 16.58% of the institution's top line.

Across the semester campaign, 9,187 student applications submitted at a A$27.08 average cost per acquisition, against A$220 from the previous agency. An 8.12× improvement on the inherited benchmark.

Applying the 59% acceptance rate, approximately 5,420 confirmed enrolments attributable to the campaign. At A$10,000 stated lifetime value per enrolment, A$54.01M of revenue attributable to the activity. Against CDU's published A$325.7M total revenue in the same period, the campaign accounts for 16.58% of the institution's top line.

For an executive team accustomed to measuring digital marketing in CPA basis points, the number shifts the conversation. Recruitment marketing is not an overhead. It is a measurable revenue line.

CDU environmental research expedition — Mary River

The deeper outcomes

Behind the headline metric.

In the work

CDU health research programme — respiratory study
CDU engineering faculty — applied research
CDU Mary River research expedition
CDU field research — Northern Glider conservation programme
CDU humanitarian studies scenario simulation

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