"sadness"

Bad thing is: In school's life you have to deal with those people. Good thing is: (After that) you get to choose your friends and who surrounds you.
People will come and go, only the one's who stay will have real impact on your life.

Consider yourself whitelisted.

Something that no one told me is that high school is really not that important. I met a lot of people in the first couple of years but always felt left out, always an extra in any group and had lots of friends who I could never count on. Wherever I went with people, I was either bored or nervous, because there were always shitty things bound to happen.
In the third year, I stuck with a friend who at least didn't make me.. miserable. We had fun together, but it was never more than that and I stuck with the idea that it's all going to change when I go to college (since I have to move to a bigger city). But life works in funny ways sometimes, and towards the end of my 12th grade I met a girl who is now my best friend, and I could never ask for anyone better.
Worst case scenario, stick with a friend who at least makes you happy every now and then even if you're not that close, and hope for the better.; as a person who is scared to talk to people but can't stand being lonely either, it ended up working for me. High school will pass sooner than you think.

you need to cultivate a relationship. If you expect something out of it right away, you are going to look needy. Go out of your way to help someone in need - it will make you feel better and might be reciprocated. From there, you can build up toward being "good friends"

best thing to do is joining irl association. Golf, poems writers etc...

I kinda know what that feels like
Though I'm a bit different
I don't really have anyone I can call "friends" to begin with
But hey.. You find one eventually.. I hope

I'm no one on internet just for you
All I can help is just giving you hug gifs <3

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Echoing what has been said her a lot already. Try not to stress too much about it, I guess it's harder now because it's all just happened.
It's not easy to jump straight to a stage where you're close friends with someone. Don't put that pressure on yourself.
Just do the things you enjoy, you'll find people with similar interests. Instead of trying to make new close friends straight away, just be around people. Small steps. A passing comment to someone,or saying hi to someone new in school, try a new sport, or join a club. If you're doing things you like then the people you're near will have similar interests too and friendship will come.

I've been through similar thing to your story.

We human are social animal.

I suggest you to go to the psychiatrist, no idea if your school had one. Maybe try to talk with your family first.
Some people think that going to psychiatrist = maniac or something. It's not the truth. The truth is you can go to psychiatrist just because you have anything that bother you, yes, Anything. Don't be hesitate or embarrassed and do it.

To live a happy life we can't have something that bother the majority of our mind most of the time. We don't really know if we live once or not so better threat it as only chance we get.

I know how you feel, even if they tell you to don't mind and just try making new ones, the scars are there, the pain remains, the memories haunts you when you have 2 minutes alone and with nothing to do.
You realize you are not the same you used to be, you feel you can't trust anymore, anyone might hurt you if you let them get too close, you bottle your feelings, your thoughts and yourself. You try putting your best smile but somehow it isn't working like it used to, you have no confidence left and some days you feel like you can't stand it anymore.
Sounds familiar right?
I have been there, and won't lie to you, you won't be the same anymore, you might still have some lingering thoughts, you will still feel insecure, but it will get easier with time, it will get better eventually. It will take time, effort, tears and difficult choices.
When I was in middle school I transferred to another school I thought that the friends I made till that moment would still be there for me, that they considered me as a friend even after I changed to another school...... how wrong I was. As soon as I started going to the other school they stopped talking to me, and inviting me to the birthday parties (I was like 14 at the moment so that was painful actually). After a few months facebook started to become a popular social media, I found their accounts with photos of us and when I started reading the comments I realized that they weren't my friends anymore, in fact maybe they never were, how could I know when they talk shit about me thinking I that I wouldn't see what they were saying? I wasn't going to ask for explanations, I was being hurt but I decided that I wouldn't show any weakness.
Now I was alone in a new school with no friends, everyone with their circles of friends already formed.
Long story short, I somehow got myself into a few groups of friends, thought (again) that I finally found a group to be part, but when school ended I realized that I never was part of any of those groups..... Again alone, hurt, mistrustful and in an environment where I would need to act as if was a positive person to get a good job and go to university.
There I finally found some people with who I know I can count (at least for now). Lets say that for now I enjoy going out with them and so far, they haven't given me reason to suspect repeating the story a third time.

What's the point of all this? To tell you that you will lose some friends during your life, they might leave you a mark, you will feel miserable, you will start doubting of others, but that's part of growing up. You will eventually find people who share you thoughts and hobbies (in most cases), just keep yourself the strongest you can, don't give up and close ties with your previous "friends". The best you can do is avoiding them the most you can, eliminating them from social medias, try not to talk nor see them and you will feel much better, believe me. Your aren't hiding the problem you are just leaving it behind.

High school can be a difficult times as lots of people you meet are immature and can hurt you, I have gone through something similar when I was in high school but it does get better after, you meet the friends that end up sticking with you for life mostly after high school. But hey if you ever want someone to talk to or need a friend, you can talk to me. I am a decent listener so If nothing else I can listen to you vent and sometimes it helps just to let everything out :)

if it is possible for you, my advice is to appoint to some extra activity, like sport, gym, music, or whatever. spend your time in different activities will entertain you and open your horizons with people. you could meet interesting people you share interest with and even become friends. good luck!

broke off my connections with my ex-close friends, because of their backstabbing nonsense

It doesn't sound like they were friends to begin with.

there isnt really anyone i can count on for moral support now

Family? They can never get rid of you, you're always blood, and sometimes they'll surprise you. ;)

i still have one and a half years of school left, can i really get through it without a good friend?

I'm positive you can, but I'm even more positive you'll find a good friend when you're least expecting it. Don't give up. Don't overly concern yourself with your current friends. You're going to meet 100's or even 1000"s of people in your life, but only a very special few will become those friends that affect your life in any significant way. Believe me, they're worth the wait.

This is the perfect time to be concentrating on yourself, changing what you want about about yourself, improving yourself, and becoming who you want to be in life. You have plenty of time, and once you begin to see the results you've made with yourself, others will see them, too, and you'll find you form much stronger, better, and most importantly, much healthier relationships with people.

Good luck. I know you can do it. :)

I know how hard it can be and I'm sorry you had to go through all this :( I can only recommend outside help, if you want to talk what's going on in your head or life. There's numbers you can call to and different chats online for that purpose too if you don't want to/ cannot go to see anyone. There's a ton of friendly people online too. People can be really nasty in that school-age... And because school usually is your life at that point of your life it will feel even harder of a blow. I really hope for the best for you!♥ And also trust me, it will get better, you will find new friends if you continue to another school or via online or work or hobbies. You just have to remember to think about your own happiness, what it is, how you can achieve it.

My last years at school were quite the like ... I had been abroad as an exchange student for a year, and after I got back I found out that my former friends had gotten themselves into taking drugs and the like ... Teachers didn't care. I didn't find anything to do about the situation, didn't want to get into their stuff. My last two years at school were quite lonely.

School's long been over for me. I've finished studying, and I guess I'm quite sucessful in at least some parts of life. Right now, I'm pondering if I want to go to a celebration of the anniversary of finishing school to which I've been invited. Two of my former class mates reached out to me and asked me to come - and I somehow found myself wanting to see them again. Still not sure if I'll go ... Still two weeks left to come to a conclusion.

Friendships are hard both ways: Hard to get and have, hard to lose and not have.
It takes time, effort, and even devotion from both sides, which, sadly, usually doesn't happen.

I have struggled with my social life being little, but in the end, 1 true friend is worth more than a country of strangers.
If you fear or think that you might have a serious problem, such as a depression, get help. See a psychologist or the likes, it helps.

I hope you may find a friend, or otherwise a companion.
Or at least that you may feel better.

It isn't just kids/teenagers... adults are perfectly capable of the same "backstabbing nonsense" as well (not everyone wants to outgrow childish playground B.S. I guess), so I can empathize with how you feel. Mully has a point about the importance of trust between friends and being alone until you acquire some. After all, superficial 'friends' will stab you in the back - real ones won't.

Things may seem lonely and hopeless to you now, put I promise you that this will pass. Remember that no one has control over people, places or things. Focus on treating yourself the way you want to be treated and others attuned to your new vibe will soon start coming around.

Good luck and hang in there. It really is worth the wait!

I was the same. Broke a lot of connections. Last year of school was awful. The only thing I had was a boyfriend that didn't treat me well (thats a different story.) I was depressed and dropped out of uni a few years later after I should have been over the moon about. I felt nothing.

My advice is talk to someone online. SG is a good place with lots of groups and individuals. It was my escape and could be yours. Focus on studying for the last year and a half. Get into college and start fresh.

I can tell you now, after I started focusing on myself. I have the most amazing boyfriend that I love. I'm about to move out of my house and start renting. I'm going to be going back to university to do education. As cliche as it sounds... It gets better. Not on its own but you need a helping hand. Whether its a doctors appointment (if you feel like you may have a mental illness) or just reach out to someone in your interests/hobbies such as SG for gaming.

hugs

Better no friends than false friends.

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High school is tough-- for just about everybody. Try to focus on things you enjoy, whatever that may be...things you can do by yourself or with your family. Even focus on schoolwork if you can. Or like others have said, if you really need that external connection, then join some kind of group of like interests. Or send out a friend request to some of the helpful people above, but keep your expectations low. Online friends can easily come and go.

I had a really hard time with most of my last year of high school, was very isolated and lost some good friends, so I know what it's like. When I went to college I met so many great people, many of whom I'm still friends with today. You'll look back on this time as a really hard time, but one where you learned a lot about yourself. You're probably stronger than you think.

you'll be fine. As a chronic loner, I can say that the more time you spend be yourself, the more introspective you become. Despite being a complete and utter loser, I know and understand myself better than people even 10, 20 years older. I know what I want in life, what I don't want, what my end-game goals are. I have no idea how to achieve it - (you don't become Buddha just by eating alone in the bathroom) - but I really feel that being a loner has helped me in both a spiritual and psychological sense.

Now, that's not to say for you to go full Siddhartha. Find a club, something simple. Don't talk if you don't want to. Just listen to others talk. That's pretty much all the social gratification a human needs, in my opinion.

Don't try too hard to forge new friendships. Looks like you just got out of a circle of "bad" friends - don't take it as a bad thing, take it as a good thing and a great opportunity at meeting new people who will truly appreciate who you are. You'll probably feel alone and lost for a while, but it'll get better - either you'll get used to doing your own thing (like I do) or you'll find new people to hang out with just by being yourself.

As a complete introverted, "alone" kind of guy, I can't say I have experience with having many friends, if any at all. But of one thing I'm confident - things will get better for you, if only you give it time and a chance. Chin up, walk tall. And good luck. :)

Don't worry buddy, you will be just fine. Just hang in there. If you try a little harder and just do things you like outside, you can find your friend on a place you would never expect. And I would be happy to have one more friend like you :) Everybody feels lonely sometimes, but it doesn't mean you have to stay that way.

you will make it. on your own.

the sooner you learn you can't rely on anybody but yourself the better. being dependent on other people and their moods is seriously shit.
on my way through school i changed my "friends" multiple times since they turned out to be backstabbing bitches as well. at the end of school i thought i had found some friends to last but again shortly after we were out of school that changed, too. turned out they preferred to hang out with my ex-gf at that time and i wasn't welcome anymore. we knew each other for 5 or 6 years from schools and we have been buddies ever since. but suddenly not anymore.well fuck them and everybody else of their kind.

that's 10 years ago now and i'm fine. sure i know people but nobody to call a friend. and i don't mind. i've got the freedom to do as i please and that's what i love. nobody pestering you every weekend trying to get you to drop by and get piss drunk for no reason at all. simple minds and plain boring. sure as hell i'm better off without them.

oh and try not to have that "i really need a friend" attitude. that will attract just the toxic kind of people you are trying to avoid.

The best way to have a good friend is to be a good friend. Pay attention to how people behave, not what they say.. Actions are to be believed rather than words. If a person thinks mostly of his or her own needs and desires, don't waste your time. If he or she thinks of others, and treats those "beneath him/her" with kindness, that is the kind of person you want to befriend. Also, stay away from liars.