To determine or not to provide public aid to parochial schools, local and federal courts use the "lemon test", which adheres to three standards including all of the following except

Here are the three standards in the lemon test :

- The statute must have a secular legislative purpose
- its principal or primary effect must be on that neither advances nor inhibit religions
- it must not foster an excessive government entanglement with religion

your answer is the one that's not included above