| Idea College Preparatory Pharr Charter | other | 848 | 16.1:1 |
| Idea Montopolis College Preparatory Charter | other | 835 | 17.7:1 |
| Idea College Prep Charter | other | 823 | 13.7:1 |
| Idea Mcallen College Preparatory Charter | other | 820 | 16.8:1 |
| Idea Riverview College Preparatory Charter | other | 813 | 15.1:1 |
| Idea College Preparatory Mission Charter | other | 798 | 15.1:1 |
| Idea Edinburg College Preparatory Charter | other | 795 | 15.8:1 |
| Idea Rundberg College Preparatory Charter | other | 790 | 15.6:1 |
| Idea Edgemere Academy Charter | other | 788 | 22.7:1 |
| Idea Brownsville College Preparatory Charter | other | 783 | 15.9:1 |
| Idea Frontier College Preparatory Charter | other | 781 | 15.5:1 |
| Idea College Preparatory San Benito Charter | other | 780 | 16.7:1 |
| Idea Los Encinos Academy Charter | other | 770 | 24.8:1 |
| Idea Weslaco Pike College Preparatory Charter | other | 758 | 15.6:1 |
| Idea North Mission College Preparatory Charter | other | 756 | 16.1:1 |
| Idea Los Encinos College Preparatory Charter | other | 753 | 19.5:1 |
| Idea Mays College Preparatory Charter | other | 748 | 14.2:1 |
| Idea Judson College Preparatory Charter | other | 747 | 15.4:1 |
| Idea Academy Charter | other | 744 | 25.1:1 |
| Idea Monterrey Park College Preparatory Charter | other | 743 | 16.5:1 |
| Idea Converse Academy Charter | elementary | 743 | 23.2:1 |
| Idea Horizon Vista Academy Charter | other | 742 | 29.3:1 |
| Idea College Preparatory San Juan Charter | other | 741 | 13.2:1 |
| Idea Mcallen Academy Charter | other | 738 | 26.9:1 |
| Idea College Preparatory Alamo Charter | other | 737 | 16.7:1 |
| Idea Elsa College Preparatory Charter | other | 737 | 14.8:1 |
| Idea Yukon Academy Charter | elementary | 736 | 22.6:1 |
| Idea Weslaco Pike Academy Charter | other | 734 | 25.4:1 |
| Idea Burke Academy Charter | elementary | 730 | 24.4:1 |
| Idea College Prep Weslaco Charter | other | 728 | 17.3:1 |
| Idea Edinburg Academy Charter | other | 728 | 25.2:1 |
| Idea Spears Academy Charter | elementary | 728 | 24.7:1 |
| Idea Walzem College Preparatory Charter | other | 724 | 17.1:1 |
| Idea North Mission Academy Charter | other | 719 | 21.1:1 |
| Idea Lake Houston Academy Charter | elementary | 719 | 27.4:1 |
| Idea Elsa Academy Charter | other | 718 | 26:1 |
| Idea Round Rock Tech Academy Charter | elementary | 718 | 21.7:1 |
| Idea Academy Pharr Charter | other | 717 | 25.4:1 |
| Idea Rio Grande City Academy Charter | other | 717 | 22.9:1 |
| Idea South Flores College Preparatory Charter | other | 715 | 16.1:1 |
| Idea Riverview Academy Charter | other | 714 | 24.4:1 |
| Idea Edgecliff Academy Charter | elementary | 708 | 20.9:1 |
| Idea Hardy Academy Charter | elementary | 705 | 26.9:1 |
| Idea Palmview Academy Charter | elementary | 705 | 22.4:1 |
| Idea Ewing Halsell Academy Charter | elementary | 704 | 22.5:1 |
| Idea Brownsville Academy Charter | elementary | 702 | 22.6:1 |
| Idea Judson Academy Charter | elementary | 701 | 23.7:1 |
| Idea Owassa Academy Charter | other | 699 | 23.8:1 |
| Idea Robindale Academy Charter | elementary | 699 | 21.1:1 |
| Idea Academy Alamo Charter | other | 698 | 23.6:1 |
| Idea Southeast Academy Charter | elementary | 698 | 22.7:1 |
| Idea Rio Vista Academy Charter | other | 696 | 24.4:1 |
| Idea Rio Grande City College Preparatory Charter | other | 695 | 14.8:1 |
| Idea Tres Lagos Academy Charter | other | 695 | 22.5:1 |
| Idea Montopolis Academy Charter | elementary | 694 | 22.4:1 |
| Idea Rundberg Academy Charter | elementary | 694 | 22.7:1 |
| Idea Robindale College Preparatory Charter | other | 693 | 20.3:1 |
| Idea Bluff Springs College Preparatory Charter | other | 689 | 13.4:1 |
| Idea Owassa College Preparatory Charter | other | 689 | 15.1:1 |
| Idea Academy San Benito Charter | other | 685 | 23.5:1 |
| Idea Tres Lagos College Preparatory Charter | other | 685 | 13.1:1 |
| Idea Kyle College Preparatory Charter | other | 681 | 15.9:1 |
| Idea Rise Academy Charter | elementary | 681 | 23.3:1 |
| Idea South Flores Academy Charter | elementary | 680 | 22.8:1 |
| Idea Frontier Academy Charter | other | 675 | 24.1:1 |
| Idea Brackenridge College Preparatory Charter | other | 671 | 18:1 |
| Idea Pflugerville College Preparatory Charter | other | 669 | 16.8:1 |
| Idea Quest College Preparatory Charter | other | 667 | 15.8:1 |
| Idea Pflugerville Academy Charter | elementary | 665 | 19.6:1 |
| Idea Academy Mission Charter | other | 664 | 25.2:1 |
| Idea Mays Academy Charter | elementary | 663 | 20.3:1 |
| Idea Carver College Preparatory Charter | other | 661 | 15.6:1 |
| Idea La Joya Academy Charter | elementary | 656 | 19.2:1 |
| Idea Harlingen Academy Charter | elementary | 651 | 20.9:1 |
| Idea Academy Weslaco Charter | elementary | 649 | 24:1 |
| Idea Mesa Hills Academy Charter | other | 643 | 25.5:1 |
| Idea Mesquite Hills Academy Charter | other | 641 | 23:1 |
| Idea Kyle Academy Charter | elementary | 637 | 24.4:1 |
| Idea Hardy College Preparatory Charter | middle | 635 | 31.6:1 |
| Idea Brackenridge Academy Charter | elementary | 631 | 26.2:1 |
| Idea Parmer Park College Preparatory Charter | other | 624 | 18.8:1 |
| Idea Parmer Park Academy Charter | elementary | 621 | 23.3:1 |
| Idea Burke College Preparatory Charter | other | 620 | 18.3:1 |
| Idea Edgemere College Preparatory Charter | other | 619 | 15.8:1 |
| Idea Academy San Juan Charter | other | 617 | 24.1:1 |
| Idea Spears College Preparatory Charter | middle | 617 | 27.4:1 |
| Idea Walzem Academy Charter | elementary | 611 | 25.3:1 |
| Idea Ewing Halsell College Preparatory Charter | other | 611 | 17:1 |
| Idea Hidden Meadow Academy Charter | elementary | 608 | 22.9:1 |
| Idea Monterrey Park Academy Charter | elementary | 607 | 25.5:1 |
| Idea Edgecliff College Preparatory Charter | middle | 604 | 26.2:1 |
| Idea Rise College Preparatory Charter | other | 598 | 17.2:1 |
| Idea Quest Academy Charter | other | 592 | 25.4:1 |
| Idea Rio Vista College Preparatory Charter | other | 590 | 12.9:1 |
| Idea Ingram Hills Academy Charter | elementary | 588 | 23.9:1 |
| Idea Achieve Academy Charter | elementary | 585 | 21.5:1 |
| Idea Sports Park Academy Charter | elementary | 571 | 17.8:1 |
| Idea Ingram Hills College Preparatory Charter | other | 543 | 14.1:1 |
| Idea Najim Academy Charter | elementary | 540 | 23.7:1 |
| Idea Mesa Hills College Preparatory Charter | other | 533 | 17.5:1 |
| Idea Bluff Springs Academy Charter | elementary | 521 | 19.8:1 |
| Idea Round Rock Tech College Preparatory Charter | middle | 504 | 20:1 |
| Idea Yukon College Preparatory Charter | middle | 503 | 27.1:1 |
| Idea Lake Houston College Preparatory Charter | middle | 499 | 21.8:1 |
| Idea Southeast College Preparatory Charter | middle | 475 | 24.3:1 |
| Idea Najim College Preparatory Charter | other | 474 | 16.9:1 |
| Idea Eastside College Preparatory Charter | other | 469 | 14.6:1 |
| Idea Carver Academy Charter | elementary | 468 | 22.1:1 |
| Idea Achieve College Preparatory Charter | other | 466 | 20:1 |
| Idea Converse College Preparatory Charter | middle | 462 | 23.9:1 |
| Idea Sports Park College Preparatory Charter | high | 457 | 13:1 |
| Idea Harlingen College Preparatory Charter | middle | 457 | 17.4:1 |
| Idea Palmview College Preparatory Charter | middle | 446 | 14.9:1 |
| Idea Ambrose and Freda Robinson Academy Charter | elementary | 423 | 25.2:1 |
| Idea Horizon Vista College Preparatory Charter | middle | 402 | 22:1 |
| Idea Eastside Academy Charter | elementary | 392 | 22.5:1 |
| Idea Health Professions College Preparatory Charter | other | 376 | 12:1 |
| Idea Mesquite Hills College Preparatory Charter | middle | 352 | 20.1:1 |
| Idea La Joya College Preparatory Charter | middle | 344 | 14.4:1 |
| Idea Hidden Meadow College Preparatory Charter | middle | 336 | 19:1 |
| Idea Health Professions Academy Charter | elementary | 294 | 15.9:1 |
| Idea Toros College Preparatory Charter | other | 258 | 12.8:1 |
| Idea Ambrose and Freda Robinson College Preparator Charter | middle | 111 | 20:1 |