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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
Alteryx
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EMEA
Tableau
Community Impact 2024
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Data for Good Champion
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Best Data Academy or Skills Development
Finalist
Alteryx
Partner of the Year
Europe
DataIQ
Data for Good Champion
Champion
Tableau
Data for Good 2021
EMEA
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 03 Feb 2026 | Durkka Rajasegaram
Measure Switch Parameters in Tableau
How to use parameters to switch between different measures in Tableau.
Tue 03 Feb 2026 | Adrienne Zhang
How to Fill in Missing Dates in Your Dataset in Tableau Prep
Tue 03 Feb 2026 | Bethany Haysom
Tableau Prep vs Power Query
Follow along in a Preppin' Data Challenge, comparing the process in Tableau Prep and Power Query
Tue 03 Feb 2026 | Jacob Aronson
Using Margin of Error When Comparing Means in Tableau
When an analyst compares averages across two groups, they will virtually always return different
Tue 06 Jan 2026 | Vivek Patel
User-Centric Analysis: How UI/UX Principles Made Data Analysis Actually Make Sense
I don’t always talk about my love for UI/UX at the Data School, but it’s something I’ve always been drawn to. What I didn’t expect was how often I’d end up using those same UI/UX principles while doing data analysis
Tue 03 Feb 2026 | George Chachkes
How to Make a Data Scaffolding
Scaffolding data is a technique used to fill in missing pieces of data from a dataset. Much like real life scaffolding in construction sites, it provides the framework for someone to repair an incomplete structure
Tue 03 Feb 2026 | Thomas Duong
dbt Commands Cheat Sheet & Graph Operators
dbt Commands
A comprehensive dbt Commands Cheat Sheet. To view the whole sheet, click on this link - https://duongthomaas.github.io/dbt_commands_cheat_sheet/
You can also visit the GitHub repo here - https://github
Mon 26 Jan 2026 | Thomas Duong
Snowflake Table Types
In Snowflake, tables aren’t one-size-fits-all - picking the right one is the secret to balancing performance with your budget. From standard storage to specialised formats for logs and external data, knowing your options is the first step towards a more efficient data pipeline
Mon 02 Feb 2026 | Kib Cheung
Dashboard Week Days 4 & 5: Tackling the Women’s Football Project
Building two dashboards for the final project was a two-dayer that pushed my football knowledge to its limit. I pivoted from complex "home edge" math to a sharper commercial story: Is growth driven by elite brand power or on-pitch goals? A 4-hour data source rebuild later, I got there
Thu 29 Jan 2026 | Vivien Lee
Sets and Parameters
Wow it's week 4 already!
This week has been a big Tableau week for us, we've just had two sessions about Sets and Parameters which may or may not have broken our brains a little bit but that's what this blog is about
Mon 02 Feb 2026 | Nicola Huetz
Power Query - Change US Date to UK Date and Pivot without aggregating
Some handy hacks for dates and pivots in Power Query
Want to know more?
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