When tasked with disabling spell check for IB exams we ran into the same problems as everybody else. The Microsoft Office Word 2007 admin templates can disable auto correct but this can be turned back on via word options (Students could still press F7 to check spelling) which was kind of pointless.
My approach was to leverage the admin templates ability to disable items in the user interface (removing spell check altogether).
Here is what I did.
I started by disabling autocorrect and other unwanted features.
Microsoft Office Word 2007 > Word Options > Proofing
Then I removed these items from the UI
Microsoft Office Word 2007 > Disable Items from User Interface > Custom > Disable Commands
Control Name |Policy ID
Spelling |2
Grammar |329
SetLanguage |790
SpellingRecheckDocument |2349
GrammarSettingsDialog |2469
SpellingAndGrammar |2566
ProofingOptions |2788
SpellingHideErrors |3217
GrammarHideErrors |3218
Dictionary |3219
TranslationPane |6111
ResearchPane |7343
ReadingViewResearchPane |7387
Thesaurus |9056
(greys out Word Options)* |11323
TranslationToolTip |12842
EnglishWritingAssistant |14453
SpellingMenu |15780
*This does not show in the referenced document.
More information about this can be found here:
Disable user interface items and shortcut keys
Now we need to disable to the keyboard shortcuts
Microsoft Office Word 2007 > Disable Items from User Interface > Custom > Disable shortcut keys
F7 | 118
Shift + F7 | 118,16
Ctrl + Shift + o | 79,12
Alt – T | 254
Keys can be found here:
Virtual-Key Codes (Windows)
Hope this helps.