UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date:
December 13, 2010
Accession Number:
0000932471-10-003580
Submission Type:
485APOS
CIK:
0000036405
Company Name:
VANGUARD INDEX FUNDS
File Number:
002-56846
REFERENCED SERIES/CLASSES (CONTRACTS)
Series ID
Class/Contract
Name
S000002841
Vanguard Extended Market Index Fund
C000007781
Institutional Shares
C000096110
Institutional Plus Shares
Series ID
Class/Contract
Name
S000002844
Vanguard Mid-Cap Index Fund
C000007793
Institutional Shares
C000096111
Institutional Plus Shares
Series ID
Class/Contract
Name
S000002845
Vanguard Small-Cap Index Fund
C000007797
Institutional Shares
C000096112
Institutional Plus Shares
Series ID
Class/Contract
Name
S000002846
Vanguard Small-Cap Growth Index Fund
C000007800
Institutional Shares
Series ID
Class/Contract
Name
S000002847
Vanguard Small-Cap Value Index Fund
C000007803
Institutional Shares