As far as I know, level 20 is the highest level possible. Once reached, you remain at that level.
That being said, it is possible that Sparks may change the levels. They have done that at least since I have been a member. They gave us more levels that time, so it is possible that they might again in future, and change what points are needed for each level, or change the number of levels as people start attaining the highest one.
The smallest good deed is better than the grandest intention.
Be strong and courageous. Do not be terrified; do not be discouraged, for the LORD your God will be with you wherever you go.
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