Literacy Assessment Online is great for assessing literacy standards. It is 100% free for up to 25 pupils with no obligation.
The following tests are available :
Reading comprehension 6-9
Reading comprehension 6-14
Listen and spell 6-9
Listen and spell 6-14
Phonics – consonant blends
Phonics – consonants and vowels
Phonics – high frequency words
Phonics – non words
National Phonics Check – replica