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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
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Tableau
Community Impact 2024
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Alteryx
Partner of the Year
Europe
DataIQ
Data for Good Champion
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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.
Fri 04 Sep 2026 | Janina Grauel
Design Debt in Dashboard Design
A dashboard can be technically correct and still be a poor product. The data is accurate, the calculations work and all requirements have been implemented, but the dashboard itself may still be difficult to understand or use
Fri 04 Sep 2026 | Bianca Beingolea-Joseph
How Excel Secretly Inflates Your Files (And How to Fix It in 30 Seconds)
We’ve all been there: you open an Excel workbook expecting a quick glance at a few hundred rows, but you find yourself staring at the loading wheel spinning and spinning
Fri 04 Sep 2026 | Salome Grasland
How I Got YouTube Videos Working in Tableau Public with a GitHub Pages Hack
I recently built a Tableau dashboard about Dolly Parton covers. One of the interactions I wanted was a video player so users could click a song title and hear the song.
Simple in theory
Fri 04 Sep 2026 | Janina Grauel
One Workflow, Three Ways: Rebuilding KNIME in Microsoft Fabric
A KNIME workflow is easy to follow: data moves from node to node, with each step representing a transformation
Fri 04 Sep 2026 | Carla Villafana
Dashboard Week- Day 5- World Cup Dashboard
Last day of dashboard week! With just a few hours on the clock, we were tasked to design a dashboard using a World Cup Matches dataset.
When I think of the World Cup, the country that immediately comes to mind is France
Fri 04 Sep 2026 | Stefani Hermanto
Dashboard Week Day 5: World Cup Draw-ma
Today was our final day of Dashboard Week, and our task was to work with data relating to the World Cup. I decided to focus on matches ending in draws, and specifically looked at draws over time, by tournament type, and by team to see how these factors influenced match outcomes
Fri 04 Sep 2026 | Gerard Najarro
Dashboard Week: Day 5
Today’s dashboard day gave us a simple prompt: take the dataset from our most recent applicants’ final interview (which was data based on World Cup matches) and show how much we’ve improved by building our own take on it. I landed on the question of how global the World Cup really is
Fri 04 Sep 2026 | Ping HIll
Dashboard Week Day 5: Home Field Advantage in the World Cup
This was our last day of Dashboard week, and today we were given World Cup data ranging from 1936 to 2022. We were given free rein to create any type of dashboard we wanted; however, the caveat was that we only had till 1:30 pm
Fri 04 Sep 2026 | Helena Reichenvater
Dashboard Week, Day 5: World Cup
Happy Dashboard Week Day 5!
For the final day of Dashboard Week, DSNY12 was given a set of World Cup data that DSNY14 used for their application dashboards as a way of comparing how far we’ve grown ourselves since first starting training
Wed 08 Jul 2026 | Holly Andersen
Power BI - Interactive Dashboard
I built this Sample Superstore dashboard during our Power BI training at The Data School. The aim was to create a clear overview of sales performance while practising several useful Power BI techniques
Fri 04 Sep 2026 | Jude Royall
Custom themes in Power BI
A guide to quick formatting in Power BI
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