There are proud female welders who proudly serve their country and its private industry. It is a bit less common for a lady to learn the welding trade, but common enough that independent schools have sprang up to accommodating the lady arcing trade. WHat this means is that a welding school caters primarily to women or else helps to meet their needs. This does not mean that a woman can do a less prodigious job than a male welder, just that they might need a friendlier start.
Find a school where the instructors or female or take the time to explain some basics that might not occur to someone completely new with industry. A female welder can become one of the best with an instructor that knows her learning style. There is no need for an extra rush or dealing with ruder students when a lady with an arc can discover her own power.