Could someone rate this etudes and pieces?

[Tibor]

Could someone give grades to:
Czerny etudes op.299 (especially nr.20 and higher)
Cramer etudes
Bach's inventions
Bach's sinfonias
Bach's french suites
Bach's english suites
Beethoveen's 6variations in g major

[bernhard]

Czerny etudes op.299 -  grades 5 –7 (increasing in difficulty from no.1 to no. 30)

Cramer etudes - grades 5 - 6

Bach's inventions

Grade 5: 1 - 2 - 4 - 8 - 10 - 13 - 14
Grade 6: 3 - 5 - 6 - 7 - 9
Grade7/8:11 - 12 - 15

Bach's sinfonias

Grade 6/7: 1 - 3 - 6 - 10 - 11 - 12 - 13
Grade7/8: 2 – 4 – 5 – 7 – 8 – 9 – 14- 15

Bach's french suites

No. 1- Allemande (grade 7) – Courante (grade 6) – Sarabande (grade 6) – Menuet I (grade 5) – Menuet 2 (grade 4) – Gigue (grade 8 )

No. 2 – Allemande (grade 7) – Courante (grade 5) – Sarabande (grade 6) - Air (grade 5) menuet (grade 4) – gigue (grade 7)

No. 3 – Allemande (grade 8 ) – Courante (grade 6) – Srabande (grade 5) - menuet  (grade 4) – Trio (grade 5) Gavotte (grade 6) – Gigue (grade 7)

No. 4 – Allemande (grade 7) – Courante (grade 7) – Sarabande (grade 6) – Air (grade 5) – Gigue (grade 8 )

No. 5 – Allemande (grade 8 ) – Courante (grade 6) – Sarabande (grade 7) - Gavotte (grade 5) – Bouree I (grade 5) – Bouree II (grade 6) – Gigue (grade 8 )

No. 6 – Allemande (grade 6) – Courante (grade 7) – Sarabande (grade 6) – Gavotte (grade 5) - polonaise (grade 4) – Bouree (grade 5) menuet (grade3) – Gigue (grade 8 )

Bach's english suites

No. 1 – Prelude (grade 7) – Allemande (grade 8 ) – Courante I (grade 6) – Courante II (grade 6) – Double I (grade 6) – Double II (grade 5) – Sarabande (grade 6) – Bouree I (grade 5) - Bouree II (grade 4) – Gigue (grade 6)

No. 2 – Prelude (grade 8+) - Allemande (grade 7) – Courante (grade 5) – Sarabande (grade 6) – Bouree I (grade 4) – Bouree II (grade 4) – Gigue (grade 6)

No. 3 – Prelude (grade 8+) - Allemande (grade 6) – Courante (grade 5) – Sarabande (grade 7) - Gavotte I (grade 6) - gavotte II (grade 5) – Gigue (grade 7)

No.4 – Prelude (grade 8+) - Allemande (grade 7) – Courante (grade 6) – Srabande (grade 6) – Menuete I (grade 4) – Menuet II (grade 4) – Gigue (grade 7)

No. 5 – Prelude (grade 8+) – Allemande (grade 8 ) – Courante (grade 6) – Sarabande (grade 5) – Passepied I (grade 5) – Passepied II (grade 4) – Gigue (grade 7)

No. 6 – Prelude (grade 8+) – Allemande (grade 8 ) – Courante
(grade 5) – Sarabande (grade 6) – Double (grade 5) – Gavotte I (grade 6) – Gavotte II (grade 6) – Gigue (grade 8 )

Beethoven's 6 variations in g major

Are those variations Wo070? If so grade 6. If not, do they have a more specific reference?

Best wishes,
Bernhard.