The time for college students to take the driver's license test in summer vacation depends on many factors, including personal learning ability, difficulty of making an appointment for the exam, traffic conditions, driving school arrangements and so on. Here are some factors that may affect the time of driving test:

Learning ability: Everyone's learning ability and progress are different. Some people may learn faster, while others may take longer to master driving skills.

It is difficult to make an appointment for the exam: you need to make an appointment for the exam when you take a driver's license. If it is difficult to make an appointment, it may take longer to successfully make an appointment for the exam.

Traffic conditions: If the driving school is congested, you may spend more time commuting.

Driving school arrangement: Different driving schools may have different curriculum arrangements and services. Choosing the right driving school can save time and energy.

Generally speaking, summer vacation usually lasts about two months. For most students, this time may be enough to get a driver's license. But the specific time needs to be determined according to personal circumstances. If you want to take a driver's license test during the summer vacation, it is recommended to know the local driving school and examination policy in advance and make detailed plans so as to successfully complete the driver's license test in a limited time.