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Case study: Impact Teachers · Google Ads (Search and Display)

224% increase in conversions

A Google Ads case study: how we restructured the search and display campaigns for Impact Teachers, a London teacher recruitment agency, and cut cost per acquisition by 81%.

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Sign in to Google Ads. Your Customer ID is the 10-digit number at the top right, next to your account name, for example 123-456-7890.

  • 224%Increase in conversions
  • 81%Decrease in CPA
  • 150%Increase in traffic
  • 95%Increase in conversion rate

About the client

Impact Teachers: teacher recruitment in London.

Impact Teachers is a teacher recruitment agency based in London. Its website says it has over 20 years of experience and works with primary, secondary and SEN schools, placing teachers, teaching assistants and support staff in daily supply and long-term roles.

Education recruitment is a market with its own rhythm. Schools need cover at short notice when staff are away, and they also plan ahead for permanent posts as terms approach. Teachers and support staff, for their part, look for work around the school year and compare agencies on the roles available, the pay and how well they are looked after. An agency that is easy to find and easy to apply to has a real advantage over one that makes candidates work hard.

A recruitment agency needs applications from two sides: the schools that hire, and the teachers who want work. For this case study the conversions that mattered were the teacher applications made through the agency's recruitment platform.

That is a different kind of conversion from a sale. A teacher choosing an agency is making a professional decision, so the search terms, the ads and the landing pages all need to speak to people who are considering their next position and to make applying simple. Many agencies are competing for the same candidates in London, and an account that lets its costs creep up quickly becomes hard to justify.

It also helps to have a marketing team on the client side who know the agency's candidates and the roles that matter. Advertising for a recruiter works best when the people who understand the roles and the people who run the account share what they know, and when the account can be adjusted as the needs of schools change through the year.

The challenge

Scale recruitment advertising efficiently.

Impact Teachers needed to scale its recruitment advertising efficiently. It approached DPOM to help improve its Google Ads performance and increase the number of teacher applications through its recruitment platform.

The agency faced a rapidly rising CPA and a drop in conversions, and asked DPOM to work closely with its internal marketing team to address and put right the existing campaigns.

What the brief asked for

  • More teacher applicationsThe aim was more applications coming through the recruitment platform.
  • Bring CPA downCPA, the cost of each conversion, had been rising rapidly.
  • Recover conversionsConversions had dropped, so the account had to turn that round.

What we did

Restructure, then advanced bidding and retargeting.

We restructured the campaigns, then added advanced bidding and retargeting.

The approach, step by step

  1. Step 1Restructure the campaignsThe campaigns were restructured, in work done with the agency's internal marketing team.
  2. Step 2Advanced bidding and retargetingAdvanced bidding and retargeting produced the jump in conversions.
    More detail

    Retargeting means showing ads to people who have already visited the website, to bring them back. On this account it ran on the Display network alongside Search.

    Advanced bidding uses Google's automated bidding strategies, which set bids using conversion data.

  3. Step 3Careful optimisation and targeting improvementsThrough careful optimisation and targeting improvements, Impact Teachers now has a scalable recruitment advertising solution.

The results

More conversions, a much lower CPA and a scalable campaign.

Campaign restructuring with advanced bidding and retargeting produced a 224% jump in conversions. Cost per acquisition fell by 81%.

Traffic rose by 150% and the conversion rate by 95%. Through careful optimisation and targeting improvements, Impact Teachers now has a scalable recruitment advertising solution.

What each figure means

  • Conversions up 224%The account recorded 224% more conversions.
  • CPA down 81%Each conversion cost 81% less to win, against the rapidly rising CPA the agency came with.
  • Traffic up 150%150% more visitors came to the website from the advertising.
  • Conversion rate up 95%A larger share of those visitors went on to convert.

Case study FAQs

Questions about this case study.

About this result

What is CPA in Google Ads?

CPA stands for cost per acquisition: the ad cost divided by the number of conversions, such as enquiries or calls. If CPA rises above what a conversion is worth to the business, the ads stop paying for themselves.

What is retargeting?

Retargeting shows ads to people who have already visited your website, to bring them back. It is often run on the Google Display network.

What is the difference between Search and Display?

Search ads appear when someone searches on Google. Display ads appear on websites, apps and videos in the Google network.

Can you promise the same result for my business?

No. Every account starts from a different place. These figures are what happened for Impact Teachers, not a promise of what will happen for you.

How can I get my own marketing looked at?

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