Six schools in Cheshire West and Chester saw all their pupils reach the expected level in their Year 6 SATs.
100 % of pupils at Christleton , Norley CE, Delamere , Tilston Parochial CE, Leftwich Community and Alvanley primary schools achieved a Level 4 or above in reading, writing and maths assessments, the expected level for an 11-year-old.
There were 91 schools where the average level achieved was a Level 5 or above.
Across England, 80% of pupils achieved level 4 or above in all of reading, writing and mathematics, compared to 78% in 2014.
See how your school has fared using our interactive widget.