1. Introduction

2. SDSS-II Supernova Survey Observations

3. Galaxy Cluster Catalogs and Cluster Luminosity
3.1. The C4 Cluster Catalog Description
3.2. The maxBCG Cluster Catalog Description
3.3. Luminosity Content of C4 and maxBCG Cluster Catalogs
3.4. Uncertainty on the Cluster Luminosities

4. The Cluster SN Sample
4.1. Type Ia Supernovae

5. Corrections to the SN Ia Rate Measurements
5.1. Search Efficiency
5.2. Contamination From Redshift Uncertainties
5.3. Cluster Incompleteness and Contamination
5.4. Summary of SN Ia Rate Corrections

6. Systematic Errors

7. SDSS SN Results
7.1. The C4 cluster rate
7.2. The maxBCG cluster rate
7.3. Cluster SN Rate vs. Field SN Rate
7.4. The SN Ia Rate in Cluster BCGs
7.5. Hostless SNe
7.6. Radial Distribution of Cluster SNe

8. Conclusions