Build your Team
Enhancing your data team with ours
Our consultants come armed with both technical and soft skills to support you to make the most of your data.
The Data School has been paramount to our success at JLL. It has allowed us to bring in highly skilled Tableau and Alteryx consultants. It saves considerable time trying to recruit contractors as I know their skills and training are to the highest standard. Over the past 5 years my team has developed analytical insights which have generated multi million dollar savings of which a considerable amount can be attributed to the Data School consultants we have had working on projects.
Paul Chapman, Global Director of Performance Management, BI and Innovation at JLL
Emerging Partner of the Year
Alteryx
Partner of the Year
EMEA
Tableau
Community Impact 2024
EMEA ESMB
DataIQ
Data for Good Champion
Finalist
DataIQ
Best Data Academy or Skills Development
Finalist
Alteryx
Partner of the Year
Europe
DataIQ
Data for Good Champion
Champion
What our consultants are working on
We believe that sharing knowledge and expertise is key to driving innovation and growth in the data community. That's why we're excited to share our latest insights, tutorials, and industry trends with you through this blog.
Written by our team of experienced data consultants, these posts aim to solidify their own learning while giving back to the community.
Tue 07 Apr 2026 | Jacob Aronson
Developing a Star Trek Dashboard Part 3: The Final Frontier (of my Alteryx Workflow)
Welcome back to my ongoing series about my passion project, building a dashboard using all of the dialogue from Star Trek: The Next Generation! When we left off, I was almost done with processing the original dataset I scraped, transforming it so that one row represented a single line of dialogue
Wed 08 Apr 2026 | Kate Loder
5 things I learned in 5 weeks at The Data School
It’s been just over 1 month since I joined the data school, and it’s been a whirlwind experience since day 1. From diving headfirst into unfamiliar tools to learning how to think more like an analyst, the past few weeks have been both challenging and incredibly rewarding
Tue 07 Apr 2026 | Francesca Plaskett
Creating unique highlight colours for each category in Tableau
Have you ever wanted to use a highlight action with colours specific to the chosen category? Look no further to learn more.
Wed 08 Apr 2026 | Martin Regan
Improving a Tableau Dashboard with Simple Design Changes
When building dashboards in Tableau, it’s easy to focus on the charts and forget about the overall design.
But small changes to things like colour, spacing, and layout can make a huge difference to how a dashboard feels
Thu 19 Mar 2026 | Oscar Kriebel
"X" Marks the Spot: How to Create a Custom Image Map?
In a recent client project, there was a type of chart that I needed to make that I had never before. They wanted to see a map of all of their seats based on their office, providing only an image of their seating map to create it from
Tue 07 Apr 2026 | Matthias Albert
dbt Snapshots and Slowly Changing Dimensions (SCDs)
How to SCD in dbt. And what are snapshots anyway?
Tue 07 Apr 2026 | Martin Regan
A Hidden Tableau Trick: Making Marks Invisible with a Transparent Colour
When building dashboards in Tableau, we often focus on colours to highlight insights. But sometimes, what you don’t see is just as important
Tue 07 Apr 2026 | Martin Regan
Did You Know Alteryx Has Hidden Games?
Over the past few weeks, we’ve been learning a lot of Alteryx as part of the training at The Data School. Recently, I also passed my Alteryx Core Certification, so I’ve been spending a lot of time building workflows and getting familiar with the syntax
Tue 07 Apr 2026 | Martin Regan
Tableau Tips Tuesday: Saving Time and Keeping Your Workbooks Clean
As we’ve now completed multiple client projects at the Data School, I’ve been building a lot of dashboards in Tableau.
One thing I’ve found is that getting consistent formatting across multiple sheets can take longer than expected
Mon 06 Apr 2026 | Tomo Mensendiek
Extract Custom Color Palettes from Packaged Workbooks
You might encounter a situation where you receive packaged workbooks from a colleague or client that include a custom color palette. While you can use that custom palette within the workbook itself, any new work you create won’t automatically have access to it
Wed 01 Apr 2026 | Jacob Aronson
Developing a Star Trek Dashboard Part 2: Adventures in Dialogue Parsing
Welcome back to my series on developing an involved Star Trek: The Next Generation dashboard! When we last left off, I had a chopped the combined scripts of all 178 episodes into about 500,000 rows of data where each row (loosely) represented a line of dialogue from the show
Mon 06 Apr 2026 | Aschraf Aouina
Datentypkonvertierung in Microsoft Power BI
Beim Importieren von Daten in Microsoft Power BI kann es vorkommen, dass Datums- und Zahlenformate nicht korrekt interpretiert werden. Ursache dafür sind unterschiedliche regionale Einstellungen (Locale), die festlegen, wie Formate wie Datum (z. B. TT.MM.JJJJ vs
Want to know more?
Whether you're planning for the future or you have a project that needs to get started next week our team are more than happy to help.
Complete our contact form with your name, company email and a brief message and we will get back to you as soon as we can.