Free Level 3 Sustainability Course in Milton Keynes. Classes run at Walton High, full-time during the day. This is a new course launching in 2026, covering the knowledge and skills needed to tackle environmental and social challenges in the workplace and beyond. Over one year, you'll study sustainable practices across industries, exploring how to reduce environmental impact, improve efficiency, and support long-term global goals. Sustainability is a growing priority for employers, and this level 3 sustainability qualification opens doors across a wide range of sectors. Entry requires five GCSEs at grades 9 to 5, including at least grade 5 in English and Maths.
Who this course is for
An exciting new course for 2026, studying the Level 3 Certificate in Sustainability equips students with essential knowledge and skills to address today’s most pressing environmental and social challenges. It promotes awareness of sustainable practices across industries, helping them to understand how to reduce environmental impact, improve efficiency, and support long-term global goals. This qualification also enhances employability, as sustainability is becoming a key priority for businesses, governments, and communities worldwide. Students gain insights into climate change, resource management, and ethical responsibility, making them informed and responsible global citizens. Whether pursuing a career in business, engineering, retail management, or public services, this course offers a solid foundation to create positive change and align with the growing demand for sustainable solutions in every sector.
Entry requirements
Our entry requirements are five grades awarded 9 - 5 at GCSE/L2 merit or above at BTEC/CTEC equivalent including a minimum of GCSE Grade 5 or above in English & Maths. In addition, some subjects require a GCSE Grade 6 or above in specific entry requirements (see pages 12 and 13). A level 2 BTEC/CTEC Merit counts as an equivalent GCSE Grade 5. Students who do not have a Grade 4 in English Language or Maths will be required to retake these qualifications.
What you will learn
You'll explore the key environmental and social challenges facing businesses and communities today.
You'll study sustainable practices used across different industries.
You'll learn how organisations reduce their environmental impact and improve resource efficiency.
You'll understand how global sustainability goals shape business decisions and policy.
You'll develop the knowledge to support sustainability strategies in a workplace setting.
How you will learn
You'll study in the classroom at Walton High, with full-time daytime attendance across the year. Learning is structured around the OCR Certificate in Sustainability syllabus. Assessment methods will be confirmed by the centre before you start, and may include written assignments, projects, and examinations depending on the unit requirements.
What you will need to bring
The centre will provide most materials. Walton High will confirm anything else you need before you start.
Where next
Jobs you could do
Sustainability coordinator, supporting environmental programmes within an organisation
Corporate social responsibility (CSR) assistant, helping businesses meet sustainability targets
Environmental technician, monitoring and reporting on environmental impact
Sustainability administrator, managing data and reporting for green initiatives
Procurement assistant, sourcing ethical and sustainable suppliers
Facilities assistant, supporting energy efficiency and waste reduction on site
What you could study next
Level 4 or Level 5 Diploma in Environmental Management, for a deeper specialism in environmental practice
Level 3 A Level Geography or Environmental Science, if you want to combine with further academic study
Degree in Environmental Science, Sustainability, or Business with Sustainability, recognised by UK universities as the next step for graduate-level roles in this field