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How many years altogether do you have to go school get a PhD?

The number of years it takes to get a PhD can vary significantly depending on the field of study and the institution. But here's a general timeline for a PhD program in most disciplines:

1. Bachelor's degree: Typically takes four years.

2. Master's degree (optional but often recommended): Typically takes one to two years.

3. PhD coursework and research: This can vary depending on the field, but generally takes around three to five years.

4. PhD dissertation and defense: This can take anywhere from one to three years.

So, in total, it usually takes around eight to ten years of full-time study and research to complete a PhD. However, this timeline can be shorter or longer depending on individual circumstances and research progress.