You can always leave, during or after the probation period, given that you fulfill some contractual requirements (like telling them some weeks in advance, see your contract). Employment is no prison. For more information, see http://en.wikipedia.org/wiki/Probation_%28workplace%29
Screening is conducted to identify or predict students who may be at risk for poor learning outcomes. Universal screening assessments are typically brief, conducted with all students at a grade level, and followed by additional testing or short-term progress monitoring to corroborate studentsâ risk status.
1 The purpose of this article is to discuss the component of universal screening within a Response-to-Intervention (RTI) model. 2  In the context of an RTI prevention model, universal screening is the first step in identifying the students who are at risk for learning difficulties. It is the mechanism for targeting students who struggle to learn when provided a scientific, evidence-based general education (Jenkins, Hudson, & Johnson, 2007).