School Cleaning: Your Summer Deep Cleaning Checklist for 2026

Summer is one of the busiest times of the year for school cleaning professionals. Once pupils and staff leave for the summer holidays, cleaning teams have the ideal opportunity to tackle the jobs that simply aren’t possible during term time. A thorough school deep clean helps improve hygiene, creates a healthier learning environment and prepares every classroom for the new academic year.

Every summer, schools across the UK use the holiday period to complete essential maintenance and deep cleaning before pupils return. This is particularly important as the Department for Education reports that more than 18% of pupils in England were persistently absent during the 2024/25 academic year, highlighting the continued importance of creating clean, safe and welcoming learning environments.

Why Summer Is the Best Time for a School Deep Clean

The summer holidays provide several uninterrupted weeks to complete cleaning tasks that are difficult during normal school hours. Without classrooms in use, cleaners can move furniture, clean high-level surfaces and allow floors to dry properly after treatment.

A professional school deep clean also removes dirt, bacteria, dust and allergens that build up throughout the year. As a result, schools can start the autumn term cleaner, fresher and safer for pupils, teachers and visitors.

What Is a Deep Clean in a School?

Many people ask, what is a deep clean in a school? A school deep clean goes much further than everyday cleaning. Daily cleaning focuses on visible dirt and frequently touched areas. A deep clean reaches every surface, including areas that are normally difficult to access.

This includes cleaning behind furniture, sanitising high-touch points, restoring floors, removing built-up grime, disinfecting washrooms and thoroughly cleaning kitchens, dining areas and communal spaces.

How to Deep Clean a School Step by Step

If you’re wondering how to deep clean a school, planning is essential. Start by dividing the building into manageable zones. This allows cleaning teams to work efficiently while ensuring every area receives the attention it needs. Begin with classrooms by removing dust from high-level surfaces, light fittings and vents before cleaning desks, chairs and storage units. Finish by vacuuming carpets or machine cleaning hard floors using professional Cleaning Equipment before applying the correct floor treatment where required.

Corridors and entrances should receive extra attention because they experience the highest footfall throughout the year. Clean walls, skirting boards, doors and handrails before restoring flooring using suitable Cleaning Chemicals designed for commercial environments. Staff rooms, offices and reception areas should also be cleaned thoroughly. Wipe furniture, disinfect touchpoints and empty cupboards where necessary. Finally, replace consumables using quality Paper Hygiene Products so facilities are fully stocked before staff return.

Deep Clean School Kitchens Ready for the New Term

School kitchens require some of the highest hygiene standards anywhere on site. Start by removing grease and burnt-on food from ovens, hobs, extraction canopies and cooking equipment using professional Kitchen Cleaning Chemicals, including Degreasers and food-safe surface sanitisers. Clean worktops, splashbacks, shelving, cupboards and sinks before disinfecting all food preparation areas.

Don’t forget refrigerators, freezers and storage areas. Empty and sanitise shelves before replacing stock. Mop floors using commercial Floor Cleaners and clean behind appliances wherever possible to remove hidden dirt and grease.

Give School Washrooms a Complete Refresh

Washrooms are among the busiest areas in any school and should always be a priority during a summer deep clean. Begin by descaling toilets, urinals and washbasins using professional Washroom Cleaning Chemicals designed to remove limescale, stains and bacteria. Follow with a high-quality Disinfectant Cleaner to sanitise all touchpoints, including flush handles, taps, door handles and cubicle locks.

Before reopening the school, refill soap dispensers and stock up on Toilet rolls, Hand Towels and Hand Soap. Well-maintained washrooms help reduce the spread of germs while creating a clean and welcoming environment for pupils, staff and visitors.

Restore Floors Throughout the School

School floors experience constant foot traffic throughout the year. As a result, the summer holidays provide the ideal opportunity to restore them properly. Hard floors should be stripped, cleaned and polished using professional Floor Care Chemicals together with specialist Floor Cleaning Equipment, including mops, mop heads, brooms and sweepers.

Carpets should be cleaned with carpet cleaners and vacuumed thoroughly with a commercial hoover, to remove embedded dirt, allergens and stubborn stains. Entrance matting should also be cleaned or replaced where necessary.

Don’t Overlook the Hidden Areas

Some of the dirtiest areas in a school are often the ones people rarely notice. During a deep clean, make sure door frames, skirting boards, radiators, vents, windowsills, lockers, shelving, storage cupboards and high-level ledges are cleaned thoroughly. Dust can quickly build up in these spaces throughout the school year. Use Microfibre Cloths to clean safely and efficiently while helping prevent cross-contamination.

Pay particular attention to high-touch points including light switches, handrails, door handles and lift buttons by disinfecting them with suitable Surface Cleaning Chemicals. Completing these often-forgotten jobs leaves the whole school feeling noticeably cleaner before pupils return.

How Long Does It Take to Deep Clean a School?

One of the most common questions is how long does it take to deep clean a school? The answer depends on several factors, including the size of the building, the number of classrooms and communal areas, the condition of the school and how many cleaning staff are available.

A small primary school may only require several days with a dedicated cleaning team. Larger secondary schools, academies or colleges can take anywhere from one to three weeks to complete a full deep clean, especially if floor restoration, carpet cleaning or specialist washroom cleaning is included. Planning the work in advance allows cleaning contractors and facilities teams to complete every task before the new school year begins.

Prepare Your School for September with IG Group UK

The summer holidays are the perfect time to complete a school deep clean before pupils return. By planning ahead and using professional cleaning supplies, schools can improve hygiene, enhance presentation and create a healthier environment for everyone.

Whether you’re responsible for a single primary school, a secondary academy, college or multi-site education trust, IG Group UK supplies everything you need to get the job done. From Cleaning Equipment and Cleaning Chemicals to Paper Hygiene Products, we stock thousands of professional products from trusted brands, helping schools and cleaning contractors across the UK prepare every learning environment for a clean, safe and successful new academic year.