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.
Mon 09 Mar 2026 | George Rycroft
Understanding a schema
Out of all the new concepts introduced during my first week at The Data School, schemas were one I found especially confusing. Hopefully this blog helps simplify the idea for anyone in the same position.
In simple terms, a schema is the structure behind your analysis
Sun 15 Mar 2026 | Oliver Furtak
Excalidraw: Pulling Clarity from the Stone of Complex Data
Introduction
In my second post, I’m going to take a closer look at one of my own dashboards and consider what improvements can be made. The following three visualizations are part of my dashboard on the topic of productivity in connection with work-life balance
Wed 11 Mar 2026 | George Chachkes
Web Scraping Multiple Images in Python and Automatically Assigning them in Tableau
This blog will provide a guide to downloading multiple images from an online website and automatically assigning them as custom shapes in Tableau. I will walk through the process I took to web scrape chess opening images from lichess
Sun 15 Mar 2026 | Shabnam Dost
Desktop versus Prep: A Mindset Shift
Why Tableau Desktop is My Comfort Zone (and Prep is My Mount Everest)
The Desktop Way: Visual and Immediate
Tableau Desktop is addictive. You drag a pill "Sales" to Columns and the pill "Profit" to Rows and tada... You get a barchart. You see the result immediatelly
Fri 13 Mar 2026 | Oliver Furtak
From “Data Chaos” to Clarity: My First Week as a Data School Consultant
To kick off my series of blog posts about my training at the Data School, I want to give you a brief look into the daily tasks we tackle as aspiring Data Consultants. Moving forward, I’ll be regularly sharing my experiences regarding visualization, software, technical skills, and project management
Sun 15 Mar 2026 | Durkka Rajasegaram
How to use the Multi-Row Formula tool in Alteryx
An explanation of what the Multi-Row Formula tool in Alteryx does and how to use it.
Sun 15 Mar 2026 | Janina Grauel
HapPi-Birthday!
Heute ist der 14. März (3,14), der inoffizielle Geburtstag der mathematischen Konstante Pi (π)
Fri 13 Mar 2026 | Janina Grauel
Ist das die beste statistische Grafik aller Zeiten?
In seinem Buch The Visual Display of Quantitative Information bezeichnet Edward R. Tufte Charles Minards Karte von Napoleons Russlandfeldzug 1812 als die wohl beste statistische Grafik aller Zeiten
Thu 12 Mar 2026 | Francesca Plaskett
Back to Basics: Calculating ranks in Tableau Prep, Power Query and Alteryx
Discover how to add rankings into your data preparation across three key platforms.
Fri 13 Mar 2026 | Laura Brylka
Leaving the bubble, embracing the unknown: my first two weeks at the Data School
In my very first blog post, I would like to tell you about the impressions I gained during my first two weeks at the data school. But let me introduce myself a little bit. In my previous life, all I ever knew was academic research
Thu 12 Mar 2026 | Shabnam Dost
Endlich ist es soweit...
Liebes Tagebuch,
Heute war es endlich so weit. Es ist der 2. März. Für mich heißt das: Neuer Monat, neue Stadt und vor allem mein erster Arbeitstag. Ich bin heute Morgen aufgewacht mit einem Mix aus Vorfreude und großem Chaos im Kopf.
Kurz darauf hieß es: Willkommen in The Information Lab
Wed 11 Mar 2026 | Britt van der Poel
Using RegEx in Alteryx
RegEx (short for Regular Expression) is a sequence of characters that allows a user to extract a subset of a string from a field
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