Choppin: What would be your overall assessment regarding private vs public in terms of teacher quality? I understand your answer would be a little bit dated at this point.
Not something I can speak to, as I only ever worked with public school teachers. I worked with some truly exceptional individuals across three different public school districts - both exceptionally good, and exceptionally bad - and a range in between.
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To hudson's point about not just punching a clock and collecting a paycheck - that's a bit misleading.
Yes, there are some tenured teachers who do exactly that - they are paid on a scale that only goes up with longevity, not performance... which puts the incentive on endurance, not the quality of their work. It's my opinion, though, that these individuals would be the same ones I see in a corporate world skating by, too - only in corporate, their salary would stagnate fairly rapidly, while in the education system it goes up incrementally every year.
BUT, most teachers aren't in it just to collect a paycheck. There are better ways to collect a paycheck (and likely a larger one). These are college educated individuals with strengths in presentation, analytics, problem solving, root cause analysis, team building, etc - who also have training in a specific field that is valued outside the classroom (math, science, writing). That skill set translates pretty well to the world of corporate training, consulting, project management, motivation, change management, lean/six sigma, etc. The Project Management Institute even allows years in a classroom as part of the requirement for hours of project-based work when pursuing a PMP certification.
To choose to teach (and more importantly, to choose to *remain* teaching), takes a commitment beyond just cashing a paycheck - whether that's in a private or public school. Private school teachers have some benefits that public school teachers do not (generally teaching a higher quality, more affluent student, with more involved parents - at least insomuch as they care about the education of their children - and doing it with better facilities/equipment/etc)... and many public school teachers would look to that world as the grass being greener on the other side of the fence (how easy it must be to teach those types of kids with those types of parents, etc). Public school teachers have more challenging students, but many of them embrace that and wear it as a badge of honor - they're elevating those students whose parents don't have as much money or care as much about education, etc.
My own frustration was that I had a high performance level and was getting paid less than the guy in the classroom next to me who *was* one of the guys phoning it in... and there was absolutely nothing I could do about it. Compensation in no way reflected success, responsibility, or workload - it only reflected "years served".
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I do want to echo a point made by someone earlier, though. Public schools concentrate a LOT of time and money on the top 10%, the bottom 10%, and special education (another 15-20%) - on top of the inordinate amount of non-instructional time spent on standardized testing and test preparation. Kids who fall outside of those ranges often get less attention - not necessarily because the teachers don't focus on them, but because of the way the district handles staffing/scheduling. This is more apparent in high school than lower grades - AP and honors classes are generally smaller class sizes and have teachers who focus on that level of student achievement. Remedial classes are also smaller and have teachers who focus on that level of achievement. Special education has its own staffing needs for study skills teachers, in class support teachers, self-contained classroom teachers, etc - and again, fewer students per teacher. With a limited budget that voters are often loathe to increase, a lot of the "teacher salary" bucket goes to those groups - leaving the rest of the students with larger class sizes and fewer options - which also means it's harder for teachers to focus on 1 of 30 kids instead of 1 of 15.
I'd imagine that private schools handle this differently, but I can't speak to how. It's likely due in large part to the different makeup of the student body, and the ability to more easily manage class sizes.