Youth Suicide Early Intervention and Prevention Expansion Act of 2004

Youth Suicide Early Intervention and Prevention Expansion Act of 2004 - Amends the Public Health Service Act to require the Secretary of Health and Human Services to award grants or cooperative agreements to eligible entities that: (1) develop and implement statewide youth suicide early intervention and prevention strategies in schools, educational institutions, juvenile justice systems, substance abuse programs, mental health programs, foster care systems, and other child and youth support organizations; (2) collect and analyze data on statewide youth suicide early intervention and prevention services to monitor the effectiveness of such services and for research, technical assistance, and policy development; and (3) assist States in achieving their targets for youth suicide reductions. Provides for preferential treatment in the award of grants for entities that engage in certain specified activities.

Requires the Secretary to: (1) award technical assistance grants and cooperative agreements to State agencies to conduct assessments of the development of such intervention and prevention strategies; (2) conduct research and development on the efficacy of new and existing youth suicide early intervention techniques and technology; (3) promote the sharing of this research and development with relevant Federal and State agencies and statewide entities for the purpose of applying and integrating new techniques and technology into existing intervention systems; (4) collaborate with specified agencies, organizations, and individuals to carry out this Act; and (5) conduct an evaluation of the effectiveness of the activities conducted under this Act.