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 28 Apr 2026 | Aschraf Aouina
Ein Leitfaden für bessere Kommunikation
Es ist manchmal schwierig, die richtigen Worte zu finden, besonders wenn man es nicht gewohnt ist, bewusst zu kommunizieren. Oft sprechen wir einfach drauflos, ohne uns darüber im Klaren zu sein, wie unsere Worte beim Gegenüber ankommen
Tue 28 Apr 2026 | George Chachkes
Dashboard Week Day 1 Blog
This week is Dashboard Week here at the Data School, meaning every day this week we will be getting a new dashboarding challenge to create and blog about. Today, we were given a very messy data source and given the challenge to clean it and create a dashboard
Wed 15 Apr 2026 | Britt van der Poel
Cleaning Data: From Excel Spreadsheets to Analytics-Ready Data Sources
Data tables can be structured quite differently across organizations, teams, and users. For analytics, it's important that data is structured in a clean, tabular format, with each column representing a different field and each row having a clear meaning (e.g., one product for one order)
Tue 28 Apr 2026 | Sita Pawar
Dashboard Week Day 1: Excel to Excellence
Excel to Excellence: Reformatting Excel Sheets for Tableau Visualization and Analysis
Today's challenge for The Information Lab's Dashboard week was to reformat an excel spreadsheet for easy Tableau analysis
Tue 28 Apr 2026 | Vivek Patel
Dashboard Week Day 1: Preparing COVID-19 Vaccine Efficacy Data
For Dashboard Week Day 1, we worked with publicly available data from Information is Beautiful’s data library. The dataset focused on COVID-19 vaccine efficacy across different variants, making it a great source for practicing both data preparation and dashboard design
Tue 28 Apr 2026 | Adrienne Zhang
Dashboard Week (Day 2): Reshaping Data That Was Built for Excel!
Day 2 of Dashboard Week is underway! During this training week, we’re given a prompt each morning and challenged t0 complete a dashboard by 3 pm.
Today's topic was: COVID-19 vaccine effectiveness. Our main focus was on data cleaning
Tue 28 Apr 2026 | Jacob Aronson
Dashboard Week Day 1: COVID19 Vaccine Efficacy
It begins! Dashboard week is something I have been hearing about since the early days of applying to the Data School, so it is exciting to be officially living it
Tue 28 Apr 2026 | Kate Loder
How To Create a Sales Target Parameter in Tableau Desktop (A Step by Step Guide)
What is a parameter?
A parameter is a user defined value that can be used in calculations to control the visualisations of the data. It creates an interactive control for the user, so when you change the parameter value, the view updates instantly
Tue 28 Apr 2026 | Oliver Furtak
Acht Wochen, acht Erkenntnisse über Präsentationen
Nach acht Wochen intensivem Präsentations- und Datenanalyse-Training in der Data School teile ich mit euch meine 8 wichtigsten Erkenntnisse.
1. Begrüße alle Personen im Meeting. Wir wollen alle Stakeholder erreichen und daher ist es wichtig, allen Teilnehmern einen Projektüberblick zu geben
Tue 28 Apr 2026 | Bethany Haysom
The Evolution of Lego Botanicals
Day 2 of Dashboard Week! Here I was challenged to create a dashboard inspired by the 'natural history' of LEGO.
Tue 28 Apr 2026 | Vivien Lee
Dashboard Week Day 2 - LEGO in SQL & Power BI
In day 2 of Dashboard Week we were tasked with preparing LEGO data in SQL and then building the dashboard in Power BI
Tue 28 Apr 2026 | Fotiana Yan
Dashboard Week Day 2: LEGO Flowers!
The Brief
Our second day was amazing! The task was to join and clean LEGO data using SQL in Snowflake and analyse it in Tableau Desktop based on either the Botanical or Animal Kingdom
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