Average 2.17 based on 34 teacher ratings
Lisa Kossiver is a Math teacher at Aragon High School located in San Mateo, California and part of San Mateo Union High School District. Lisa Kossiver's 34 teacher ratings contributes to Aragon High School's ranking of 1,110 in California. Additionally, the average teacher rating at Aragon High School is 3.96 stars.
3
Easiness
2
Helpfulness
2
Clarity
2
Knowledge
1
Textbook Use
4
Exam Difficulty
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Recommended
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Easiness
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Helpfulness
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Clarity
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Knowledge
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Textbook Use
5
Exam Difficulty

Do not take computer science class with Ms. Kossiver. Ms.Kossiver is women who you do not want to deal with, she absolutely sucks. I was hoping to learn something when I signed up for computer science class but instead I don't even understand the basics because she never taught it to us. Please listen to this advise I signed up for this class not knowing that the teacher will make my life horrible. Hopefully they fire her or she dies of being excessively over weight

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Recommended
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Easiness
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Helpfulness
1
Clarity
1
Knowledge
1
Textbook Use
5
Exam Difficulty

If you have an interest in Computer Science, DO NOT sign up for this class, its for yur own good. Ms Kossiver has basically no knowlede of the Java language and then proceeds to give students difficult exams. She does a terrible job with lectures (which usually last about 5 minutes) and is often too lazy to give extra examples or answer any questions that students ask for. On top of that she has horrible policy on late work. She is pretty much a real life version of Ursula from Little Mermaid.

2
Recommended
4
Easiness
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Helpfulness
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Clarity
3
Knowledge
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Textbook Use
4
Exam Difficulty

She does not really teach the class, the Teacher Aids are honestly the only people I ask for help from because she doesn't explain what we are suppose to do very well and then the tests are so unreasonable because half of what's on them, she has never gone over in class.

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Recommended
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Easiness
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Helpfulness
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Clarity
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Knowledge
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Textbook Use
5
Exam Difficulty

For anyone that is thinking of taking u
herr class just don't she a horrible teacher and doesn't like her students it will be the worst experience of your high school like that you will dread school she likes to give Fs and has no mercy

1
Recommended
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Easiness
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Helpfulness
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Clarity
3
Knowledge
1
Textbook Use
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Exam Difficulty

Ms. Kossiver is always in a terrible mood. She occasionally is sarcastic but you never know if shes mad at you or just joking. You don't learn anything and I have to teach myself everything that she "teaches". And if you try to ask questions she'll explode. She does not even deserve a star. TRANSFER OUT IF YOU HAVE HER!!!!!!!!!!!!!!!!!!!!!!!!!!!

2
Easiness
1
Helpfulness
1
Clarity
2
Knowledge
3
Textbook Use
2
Exam Difficulty

She makes kids who ask her questions feel lazy or stupid. Very angry much of the time and guilt-trips people. When in actuality she teaches for about five minutes (not exaggerating) and not very clearly at all. When it comes to math, if you don't learn from the teacher, you can't catch up on your own. You just get stuck.
Her demeanor was so discouraging that all I could think was "please don't yell at me" rather than about the math. She broke down my already wavering self-esteem.

5
Easiness
2
Helpfulness
2
Clarity
3
Knowledge

She's a nice person but she is not a good teacher. She can't really explain Pre-Calc well and is probably the least best out of all three teachers. I have her but I don't go to her for help- i go to Ms. Hu. Plus, Kossiver always acts annoyed at me when I ask her questions. So yeah.

4
Easiness
2
Helpfulness
2
Clarity

She doesnt think things through

5
Easiness
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Helpfulness
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Clarity

She is an amazing teacher! We can Do a lot of fun stuff and have a party in her class!!! mmmmmm food!!!!

2
Easiness
2
Helpfulness
2
Clarity

I like her. She tries to joke around and is sweet. However, she can't teach at all. She tries to teach, but can't.

5
Easiness
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Helpfulness
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Clarity

I liked her alright. I finished homework in class and if I did then she wouldn't care if I slept in class.

3
Easiness
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Helpfulness
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Clarity

Sweet lady. amazing...unless you want to learn something

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Easiness
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Helpfulness
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Clarity

i cant understand her at all, needs to listen to kids more

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Easiness
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Helpfulness
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Clarity

ive never had a teacher eat while teaching, and ive never seen so many kids bribe a teacher with cookies, pastries and doughnuts. i only learned something when we had a sub

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Easiness
4
Helpfulness
1
Clarity

Although *she* understands what she teaches, she does not do a good job of teaching it. Plays favorites. Yells (gets frustrated) at students if they do not understand what she just taught.

2
Easiness
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Helpfulness
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Clarity

She has a hard time teaching students who need help. She gets frustrated with students who don't get what she just taught. She doesn't know that that really hurts her students.

4
Easiness
5
Helpfulness
5
Clarity

Ms. Kossiver's one of the best math teachers at Aragon High. She's very friendly and willing to help students out. I have no clue why many students dislike her even though she's just awesome.

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Easiness
4
Helpfulness
4
Clarity

i didn't have her but she'sgood at explaining things. and she's somewhat intimidating but if you go in at lunch she helps you a lot :)

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Easiness
4
Helpfulness
3
Clarity

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Easiness
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Helpfulness
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Clarity

she helps a lot and trys hard to teach you, im not tongan and im not an athlete, and she still helps me

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Easiness
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Helpfulness
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Clarity

ya if ur not an athlete...or tongan...she wont reallly like u.. and she says ask questions ..but when u ask them she yells at u and its scary...

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Easiness
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Helpfulness
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Clarity

she is a gr8 teacher!

2
Easiness
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Helpfulness
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Clarity

She would be the reason why i would not want to go to school....i hate teachers that play favorites...on top of that, she is incredibly misleading..at least to me

3
Easiness
5
Helpfulness
3
Clarity

altough she does sometimes tend to slightly favor some students over others, and can seem to teach in a bit of a backwards way, if u go in for help, she'll clarify everything for u

3
Easiness
2
Helpfulness
1
Clarity

WOW...yea, shes kinna annoying only because she does plays favorites a lot. She LOVES them polynesians...jockin all of them. She should go find some friends...

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Easiness
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Helpfulness
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Clarity

Pretty much if u arent polynesian or a jock she wont like you. I hate her a lot.

3
Easiness
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Helpfulness
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Clarity

yeah, i mean, she's nice but she does show preference and if she's in a bad mood u feel like it's ur fault when it acutally isn't

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Easiness
4
Helpfulness
1
Clarity

She is only helpful if she likes you. I benefitted from this....

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Easiness
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Helpfulness
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Clarity

worst teacher i have ever had.. plays favorites a LOT

2
Easiness
2
Helpfulness
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Clarity

Yeah she playf favorites a lot, and doesn't explain things well.

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Easiness
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Helpfulness
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Clarity

ummm...yea...she plays favorites...so if she doesnt like you...then ur pretty much screwed

5
Easiness
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Helpfulness
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Clarity

Very easy for ppl who learn math fast, simple grading system. However, lessons' clarity and helpfulness along with, promotes the exsisting disparity in class.

2
Easiness
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Helpfulness
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Clarity

she is the worst teacher ever...she will play favorites...she picks and chooses who she will like or not...then she will decide to help or not

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Learn more about Aragon High School

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4-star
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3-star
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2-star
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Based on 1,326 Ratings
Aragon High School is a public high school located in San Mateo, California and part of San Mateo Union High School District. Aragon High School is ranked 1,101 in California. Learn More