Have I done too much?

Blatant troll. Crap attempt. 1/10.

It's a sibelius file?
In which case how is it 26 pages long? Sibelius doesn't have 'pages' . And composing 'for 11 instruments' on Sibelius is going to be fairly easy because you are using a keyboard, or at best other electronic instruments, and can just use different sounds which would count as different instruments. I think I had about 20 different 'instruments' on my GCSE composition if you count random ones on Sibelius xD.

From the Edexcel website:

In this unit students develop musical ideas in the form of compositions
and/or arrangements.
They may choose to submit either:
two compositions, or
two arrangements, or
one composition and one arrangement.
Each piece must be based on a different Area of Study.
The overall length of the submission, ie both pieces, should total between
two and four minutes.
Group compositions are not acceptable.
Each student submission must comprise:
either a notated score (either handwritten or printed) or a written
commentary containing sufficient performance directions to allow for a
realisation of the piece
a recording (on CD/MD/MP3).

Usually the teacher will convert all of them to MIDI files and write them to CD, or else it's perfectly acceptable to submit the Sibelius file instead of a recording, regardless of what the spec says.

(I swear I'm not stalking you )

Ah fair enough, I didn't know that. But there's still the issue of how long the piece is..

I wish you were!

That does seem a bit odd to me... I don't see why they have the restriction

Typical isn't it. They allow you to submit your work as a sibelius file although when it comes to time scales. They are ready to penalise you.

So I have to cut down a fantastic piece of work just because it's too long. Did Bach have to cut down his chorals because they were too long, I think not. TYPICAL ENGLAND isn' it.

So I have to cut down on quality because my work is too long. that makes me sick

A piece of music is meant to tell a story, evoke emotion, not be suppressed into a time scale

I'm sure a genius such as yourself can rework the piece to make it short enough! You can always submit a digeridoo and alphorn concerto for AS?

No. Strings are more my forte. I am now depressed because I have spent so long on this piece and now I find that I have to start to edit it.

Why bother trying...

Because they have thousands of them to mark, and arguably it's more skilful to squeeze more musical features/motifs into a smaller space. Besides, my Music teacher used to tell us that what gets you good marks at GCSE/A Level wouldn't necessarily be considered good by critics who aren't examiners working from a marking scheme

Why don't you only submit the Baroque section of your piece That way it will actually sound like music, and it'll be short enough.

I don't think she's a troll, just a sad individual who's desperate to be considered a genius but isn't quite there and will blatantly never be.