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Upon checking your forms, the "Teacher application" form does not have a "Sender Name" and recipient email address, which may be the cause of un-received email notifications.
While the second form "Materials application" has no notification set under "Emails".
Please check this guide on how to setup your email notifications: http://www.jotform.com/help/25-Setting-Up-Email-Notifications. Please do make sure that you fill out all the necessary field to avoid problems.
You might also want to check this guide regarding properly setting up the email settings to avoid bounce related issues: http://www.jotform.com/help/208-How-to-setup-email-alerts-to-prevent-email-bouncing-related-issues.
I hope that helps.