Kirupian Mathematics Level Survey

Hey there,
Im doing a small survey required for my i.t class and one of the bullet points is to take a survey about mathematics level. Im not sure about the correct wording of levels over in your country but this is the Australian school Mathematics level which would be clear enough for you to pick you level. So please vote.

The Description

Level 1: Standard - This level is for those that have a low development rate in mathematics and have only acquired basic knowledge. Topics covered are Statistics and Taxation.

Level 2: 2 Unit - This level is for the average student where there is a medium level of knowledge through a broad range of topics such as Functions.

Level 3: 3 Unit (aka Extension 1) - This level is for those that have a high level of knowledge and proficient in topics such as Calculus and the Parabola.

Level 4: 4 Unit (aka Extension 2) - This is the last level and is for individuals who have a very high level of proficiency with topics such as Complex Numbers and further Calculus and Intergration.