Concrete at risk of collapse has been found at another 27 schools.
Over the past couple of months, concerns have been raised after 'reinforced autoclaved aerated concrete' (Raac) was found at over 100 schools up and down the country.
'Raac' is a 'lightweight, ‘bubbly’ form of concrete commonly used in construction between the 1950s and mid-1990s'.
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A list published earlier this month showed that the sub-standard concrete had been found at 147 schools.
However, in an update, the government has now confirmed that this total has risen to 173, as of 14 September.
As a result, 24 of those have started offering remote learning for students, while others have opted for a mix of in-person and remote classes.
Schools with delayed start to term:
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Hornsey School for Girls - Haringey, London
St William of York Catholic Primary School - Brockley Park, London
Hatfield Peverel St Andrew's Junior School - Chelmsford, Essex
Our Lady's Catholic High School - Hackney, London
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Outwoods Primary School - Burton-on-Trent, East Staffordshire
Hadleigh High School - Hadleigh, Suffolk
East Bergholt High School - East Bergholt, Suffolk
Ark Boulton Academy - Birmingham
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Water Lane Primary Academy - Harlow, Essex
Cherry Tree Academy - Pontefract
Arthur Bugler Primary School - Stanford-le-Hope
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Claydon High School - Claydon, Suffolk
Kingsdown School - Swindon
Ferryhill School - Ferryhill, County Durham
St Teresa's Catholic Primary School - Harrow, London
St Francis' Catholic Primary School - Maryland Park, London
Buckhurst Hill Community Primary School - Buckhurst Hill, Essex
The Holy Family Catholic School, a Voluntary Academy - Keighley, West Yorkshire
Schools offering some remote learning:
The Appleton School - Benfleet, Essex
The Coopers' Company and Coborn School - Havering, London
Wood Green Academy - Wednesbury, West Midlands
The Honywood Community Science School - Coggeshall, Essex
The Billericay School - Billericay, EssexAston Manor Academy - Birmingham
The London Oratory School - West Brompton, London
Thurstable School Sports College and Sixth Form Centre - Colchester, Essex
Waddesdon Church of England School - Waddesdon, Buckinghamshire
St Clere's School - Thurrock, EssexThe Gilberd School - Colchester, Essex
Clacton County High School - Clacton-on-Sea, Essex
The Bromfords School - Wickford, Essex
Scalby School - Scarborough, North Yorkshire
Wyburns Primary School - Rayleigh, Essex
Roding Valley High School - Loughton, Essex
St Bede's Catholic School and Byron Sixth Form College - Peterlee, County Durham
St John Bosco Catholic Primary School, Town End Farm, Sunderland - Sunderland
Schools with full remote learning:
St Benet's Catholic Primary School, Ouston
St Leonard's Catholic School, Durham
St Gregory's Catholic Science College
St Anne's Catholic Primary School, Harlow Green
Schools providing face-to-face classes:
Myatt Garden Primary School - Lewisham, Essex
Seven Mills Primary School
The Ellen Wilkinson School for Girls - North Ealing, London
St Ignatius College - Enfield, London
Welbourne Primary School - Tottenham Hale, London
St John Vianney RC Primary School - Haringey, London
Brandhall Primary School - Oldbury, West Midlands
St Andrew's CofE Primary School, Over Hulton - Bolton
All Saints C of E Primary School - Fulham, London
Abbey Lane Primary School - Sheffield
Pippins School - Slough
Stanway Fiveways Primary School - Colchester, Essex
Baynards Primary School - Colchester, Essex
Great Leighs Primary School - Chelmsford
Henham and Ugley Primary and Nursery School - Bishop's Stortford
Bentfield Primary School and Nursery - Stansted
White Court School - Great Notley
Beehive Lane Community Primary School - Chelmsford, Essex
Eversley Primary School - Enfield, London
Holy Trinity CofE Primary School, Eight Ash Green and Aldham - Colchester, Essex
St Lawrence Church of England Primary School, Rowhedge - Colchester, Essex
Great Tey Church of England Voluntary Controlled Primary School - Colchester, Essex
Broomfield Primary School - Chelmsford, Essex
Mersea Island School - Colchester, Essex
Cranbourne - Basingstoke
Markyate Village School and Nursery - St Albans
Widford School - Ware
Palmarsh Primary School - Hythe
Birchington Church of England Primary School - Birchington
St James' Church of England Voluntary Aided Primary School - Muswell Hill, London
St Bartholomew's Catholic Primary School, Swanley - Swanley
Bispham Endowed Church of England Primary School - Blackpool
Mayflower Primary School – Tower Hamlets, London
Parks Primary School - Stratford, London
Donnington Wood Infant School and Nursery Centre - Telford
Thurston Community College - Thurston, Suffolk
Shawfield Primary School - Aldershot
St Paul's Catholic Primary School, Thames Ditton - Thames Ditton
Petroc - Barnstaple
Park View School - Haringey, London
Springfield Primary School - Hackney, London
Denbigh School - Milton Keynes
Sale Grammar School - Manchester
King Ethelbert School - Birchington-on-Sea, Kent
Holcombe Grammar School - Chatham, Kent
The Palmer Catholic Academy - Ilford, London
Tendring Technology College - Frinton-on-Sea, Essex
Hounsdown School - Southampton
Corpus Christi Catholic Primary School - Brixton, London
Wallingford School - Wallingford, Oxfordshire
Woodkirk Academy - Tingley, West Yorkshire
Batley Girls High School - Batley
Sandbach School - Sandbach
Carmel College - St. Helens, Merseyside
Anglo European School - Ingatestone, Essex
St Thomas More Catholic School, Blaydon - Blaydon-on-Tyne
The Thomas Lord Audley School - Colchester, Essex
St Helena School - Colchester, Essex
East Tilbury Primary School - Tilbury
White Hall Academy and Nursery - Clacton-on-Sea, Essex
Altrincham College - Trafford
Cleeve Park School - Sidcup, London
Joyce Frankland Academy, Newport - Newport, Essex
Danetree Primary School - Epsom, Surrey
Royal College Manchester (Seashell Trust) - Heald Green, Cheshire
The Ramsey Academy, Halstead - Halstead, Essex
Redhill School - Chislehurst, Kent
Woodville Primary School - Chelmsford, Essex
Holy Trinity Catholic Voluntary Academy - Newark, Nottinghamshire
Thomas Bullock Church of England Primary and Nursery Academy - Norfolk
Katherine Semar Junior School - Saffron Walden, Essex
Katherine Semar Infant School - Saffron Walden, Essex
Mistley Norman Church of England Primary School - Manningtree, Essex
Hatfield Heath Primary School - Hatfield Heath, Bishop's Stortford
St Thomas More Catholic Comprehensive School - Eltham, London
Godinton Primary School - Ashford
St Francis Catholic Primary School, South Ascot - Ascot
The FitzWimarc School - Rayleigh, Essex
Winter Gardens Academy - Canvey Island
Prince Albert Junior and Infant School - Birmingham
Cockermouth School - Cockermouth, Cumbria
Northampton International Academy - Northampton
Bishop Douglass School Finchley - East Finchley, London
Lubbins Park Primary Academy - Canvey Island
Canon Slade School - Bolton
Harlowbury Primary School - Harlow, Essex
Katherines Primary Academy and Nursery - Harlow, Essex
Sir Thomas Boughey Academy - Stoke-on-Trent, Staffordshire
Harwich and Dovercourt High School - Harwich, Essex
Jerounds Primary Academy - Harlow, Essex
Lambourne Primary School -Romford, Essex
Hillhouse CofE Primary School - Waltham Abbey, Essex
Barnes Farm Junior School - Chelmsford, Essex
St Elizabeth's Catholic Voluntary Academy - Belper, Derbyshire
Hockley Primary School - Hockley, Essex
Chipping Ongar Primary School - Ongar, Essex
Langney Primary Academy - Eastbourne, East Sussex
St Mary and St John Junior and Infant School - Hendon, London
St John Catholic Primary School - Rotherhithe, London
Sunny Bank Primary School - Sittingbourne, Kent
St Joseph's Catholic Primary School - Hanwell, London
Wells Park School - Chigwell, Essex
St James' Catholic Primary School, Hebburn - Newcastle upon Tyne
St Columba's Catholic Primary School, Wallsend - Newcastle upon Tyne
St John Vianney Catholic Primary School, West Denton - Newcastle upon Tyne
St Michael's Catholic School - Wycombe, Essex
Elmstead Primary School - Colchester, Essex
Education Secretary, Gillian Keegan, said work was being done to make sure all schools on the list are safe for pupils.
“We are taking a cautious approach so every parent in England can be reassured their child is safe in their school," she assured parents.
“School and local leaders deserve huge credit for making sure the vast majority of settings with confirmed Raac are continuing to offer pupils face-to-face learning – including all of the 147 schools initially identified two weeks ago.
“We will continue to work closely with affected schools and provide both expert and financial support to minimise disruption and keep staff and children safe.”
Dominic Smithers