IT staff. Warehouse employees. Janitors. Accountants. Classroom aides. Bus mechanics. Groundskeepers.
You'd be amazed at how incompetent a computer science "teacher" is when it comes to maintaining a computer lab. I used to be a public school IT admin. Never again.
There's campus-wide software licenses that are purchased for a particular curriculum, and never installed or used. "Special" education is typically the worst violator of this. "Counseling" next. Go figure.
The worst abuses I think I ever saw, though, was the "Teacher On Assignment." It's like a paid sabbatical, for a public school teacher. Horribly ridiculous.
Regarding the McClintock op-ed... it's mostly right, except for the horrific damage caused by children. You put them in an office complex, and you'll have broken drywall all over the place, bathroom leaks and water damage, repeatedly stained carpets and surcharge after surcharge for its cleaning and replacement from unconventional and out-of-contract abuse, and the walls are not sufficiently sound insulated for close proximity of classrooms.
Were I to be in charge of fixing it:
-No accountant staff. Accounting services are provided by teaching staff that also teach math and accounting coursework. This keeps the teaching staff abreast of real world evolution of their skill set.
-No "teacher on assignment." 'Nuff said.
-No classroom aides. This is a shytty and shifty way the districts attempt to get around headcount problems. Most of them are soccer-mom level education, high school or associates degree at the most, no professional education background and no specialization background, usually in the K-6 environment. If the course curriculum cannot be presented at the current headcount ratio, then the designer of the curriculum is at fault. That's the credentialed professional educator's fault. We've gone from proficiency in Latin, Greek, and Calculus by High School, to illiteracy in English and problems with basic arithmetic at the same grade, in 100 years of devolution. Fix the curriculum.
-F's are back in style. Students will be held back for failing. This starts early, in elementary school.
-Students that are held back are assigned a different teacher (if available). Teacher pay and advancement is a function of minimizing F's and maximizing A's. Teachers found to be abusing this (i.e. passing students that cannot handle the coming curriculum in the next classroom) are terminated and lose their teaching credentials. This becomes a malpractice issue, much like doctors and lawyers suffer. "Profeshunal" means something. You want to be paid like one, then earn it. No centralized curriculum mandates. Teachers design their own course work.
-You need a computer in your classroom? You maintain it. You have the admin privileges on it. You install the software, you fix it when it breaks, you keep it turned off/logged out so the little angels don't destroy it while you're not supervising. Cut 75% of the IT department so they only provide TCP/IP services to the ethernet jacks in your classroom. The rest is the teacher's responsibility.