Reply to FCPS High School prestige ranking

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[quote=Anonymous][quote=Anonymous][quote=Anonymous]Latest College Board report - 2023-24 mean SAT scores:

TJ 1518

Langley 1302

McLean 1270
Chantilly 1239
Oakton 1236
Woodson 1229
Madison 1221
Marshall 1210

Lake Braddock 1185
Westfield 1161
Centreville 1159
South Lakes 1158
Robinson 1156
Fairfax 1150
West Springfield 1147

Herndon 1124
South County 1115
West Potomac 1103
Edison 1098
Justice 1088
Hayfield 1084
Falls Church 1041
Annandale 1026

Mount Vernon 1005
Lewis 1002

This grouping suggests six tiers.  Review them and see if you agree.[/quote]

Test scores are designed to be on a bell curve so it may be more appropriate to use average (1161.08) and standard deviation (109.3) for grouping. A better grouping based on such would be:

Above average beyond 2 standard deviations:
TJ 1518

Above average within 2 standard deviations:
Langley 1302

Above average within 1 standard deviation:
McLean 1270
Chantilly 1239
Oakton 1236
Woodson 1229
Madison 1221
Marshall 1210
Lake Braddock 1185

Center:
Westfield 1161 (average is 1161.08)

Below average within 1 standard deviation:
Centreville 1159
South Lakes 1158
Robinson 1156
Fairfax 1150
West Springfield 1147
Herndon 1124
South County 1115
West Potomac 1103
Edison 1098
Justice 1088
Hayfield 1084

Below average within 2 standard deviations:
Falls Church 1041
Annandale 1026
Mount Vernon 1005
Lewis 1002

TJ [i]really[/i] sets itself apart, the rest fit a typical normal bell curve.[/quote]
TJ just dropped 100 points but still above the others.[/quote]

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