This is the essential spelling list, it is generally accepted that by the end of year 6 students should be able to spell all the words up to the end of List 6.
How to do your spelling: Start at List 5: Get a buddy to test you on all the words in that level. Take the first ten that you do not get right in a list.
There is no easy way to learn spelling words. Here are some tricks to help you.
Take a word such as 'neither' to learn it write down the first letter, then go down a line and write the second letter, down another line and write the first three letters..... eg.
n
ne
nei
neit
neith etc
Write them out ten times each.
Put each one in a sentence.
Write your word backwards.
Get tested by your buddy until you know them.
If you get no words wrong in the essential spelling list go here - List 6