For school and gaming in this price range I would advise you to check one of those laptops
| laptop name | Acer Swift 3 | Acer Nitro 5 | HP Pavilion Gaming |
|---|---|---|---|
| CPU | Quad core 8th Gen I5-8250U | Quad core 7th Gen I5-7300HQ | Quad core 8th Gen I5-8300H |
| GPU | MX 150 | GTX 1050 Ti | GTX 1050 Ti |
| Screen " | 14"" FHD IPS" " | 15.6"" FHD IPS" " | 15.6"" FHD IPS" |
| Ram | 8 GB | 8 GB | 8 GB |
| SSD | 256 GB | 256 GB | 0 |
| HDD | 0 | 0 | 1 TB |
| Weight | 3.2 Lbs. | 5.51 Lbs. | 5.18 Lbs. |
| Battery life | 8.5 Hrs. | 6 Hrs. | 6 Hrs. |
| Price | 650~750$ | 600~700$ | 850~950$ |
| Pros | One of the best bang for the money in the market. | One of the best bang for the money in the market. | The GTX 1050Ti should be enough for CAD work and good gaming exprince . |
| Pros | The Mx 150 should be enough for CAD work and light to medeum gaming. | The GTX 1050Ti should be enough for CAD work and good gaming exprince . | Decent battery life . |
| Pros | Very light . | Great battery life . | One of the best bang for the money in the market. |
You could check my post about Each GPU performance to help you decide what to go for .