Math & Science School Readiness Act of 2007 - Amends the Head Start Act to require the Secretary of Health and Human Services to establish additional scientifically-based education performance standards to ensure that children participating in the Head Start program develop and demonstrate premathematics and prescience knowledge and skills, including number concepts and operations, geometry and spatial concepts, classification, and time and measurement concepts.
Requires each Head Start classroom in a center-based program to be assigned one teacher with the competency to impart such knowledge and skills.