Downey Unified school district (Data source)
County of Los Angeles
Source data for Downey Unified
2015
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 672693 | 2429 | - | 2436 | = | -7 | * | (1477 | / | 13964) | = | -0.73890002 | ||
| 4 | 672694 | 2461 | - | 2485 | = | -24 | * | (1493 | / | 13964) | = | -2.5643082 | ||
| 5 | 672697 | 2478 | - | 2528 | = | -50 | * | (1510 | / | 13964) | = | -5.3960183 | ||
| 6 | 672698 | 2499 | - | 2552 | = | -53 | * | (1727 | / | 13964) | = | -6.53960179 | ||
| 7 | 672701 | 2508 | - | 2567 | = | -59 | * | (1795 | / | 13964) | = | -7.56301914 | ||
| 8 | 672702 | 2527 | - | 2586 | = | -59 | * | (1855 | / | 13964) | = | -7.81652821 | ||
| 11 | 672705 | 2548 | - | 2628 | = | -80 | * | (1972 | / | 13964) | = | -11.18304208 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Downey Unified | -42 | ||||||||||||
2016
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 21300 | 2440 | - | 2436 | = | 4 | * | (1460 | / | 11836) | = | 0.49273403 | ||
| 4 | 21301 | 2472 | - | 2485 | = | -13 | * | (1526 | / | 11836) | = | -1.676073 | ||
| 5 | 21303 | 2489 | - | 2528 | = | -39 | * | (1532 | / | 11836) | = | -5.04139912 | ||
| 6 | 21305 | 2512 | - | 2552 | = | -40 | * | (1634 | / | 11836) | = | -5.52213584 | ||
| 7 | 21307 | 2522 | - | 2567 | = | -45 | * | (1801 | / | 11836) | = | -6.84733014 | ||
| 8 | 21310 | 2526 | - | 2586 | = | -60 | * | (1817 | / | 11836) | = | -9.20074344 | ||
| 11 | 21312 | 2565 | - | 2628 | = | -63 | * | (2092 | / | 11836) | = | -11.02872588 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Downey Unified | -39 | ||||||||||||
2017
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 21686 | 2439 | - | 2436 | = | 3 | * | (1455 | / | 11635) | = | 0.37516115 | ||
| 4 | 21687 | 2472 | - | 2485 | = | -13 | * | (1496 | / | 11635) | = | -1.67150837 | ||
| 5 | 21690 | 2494 | - | 2528 | = | -34 | * | (1523 | / | 11635) | = | -4.45053717 | ||
| 6 | 21691 | 2512 | - | 2552 | = | -40 | * | (1667 | / | 11635) | = | -5.73098408 | ||
| 7 | 21694 | 2523 | - | 2567 | = | -44 | * | (1727 | / | 11635) | = | -6.53098406 | ||
| 8 | 21695 | 2528 | - | 2586 | = | -58 | * | (1787 | / | 11635) | = | -8.90812204 | ||
| 11 | 21698 | 2561 | - | 2628 | = | -67 | * | (1981 | / | 11635) | = | -11.40180486 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Downey Unified | -38 | ||||||||||||
2018
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 21660 | 2442 | - | 2436 | = | 6 | * | (1310 | / | 11405) | = | 0.68917141 | ||
| 4 | 21663 | 2481 | - | 2485 | = | -4 | * | (1475 | / | 11405) | = | -0.51731696 | ||
| 5 | 21664 | 2495 | - | 2528 | = | -33 | * | (1526 | / | 11405) | = | -4.41543181 | ||
| 6 | 21667 | 2520 | - | 2552 | = | -32 | * | (1611 | / | 11405) | = | -4.52012275 | ||
| 7 | 21668 | 2522 | - | 2567 | = | -45 | * | (1729 | / | 11405) | = | -6.81806223 | ||
| 8 | 21671 | 2536 | - | 2586 | = | -50 | * | (1757 | / | 11405) | = | -7.68522575 | ||
| 11 | 21672 | 2548 | - | 2628 | = | -80 | * | (2002 | / | 11405) | = | -14.0429636 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Downey Unified | -37 | ||||||||||||
2019
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 21834 | 2445 | - | 2436 | = | 9 | * | (1442 | / | 11262) | = | 1.1523708 | ||
| 4 | 21835 | 2482 | - | 2485 | = | -3 | * | (1350 | / | 11262) | = | -0.35961641 | ||
| 5 | 21836 | 2512 | - | 2528 | = | -16 | * | (1519 | / | 11262) | = | -2.15805362 | ||
| 6 | 21837 | 2516 | - | 2552 | = | -36 | * | (1617 | / | 11262) | = | -5.16888652 | ||
| 7 | 21838 | 2529 | - | 2567 | = | -38 | * | (1675 | / | 11262) | = | -5.65174923 | ||
| 8 | 21839 | 2540 | - | 2586 | = | -46 | * | (1740 | / | 11262) | = | -7.10708574 | ||
| 11 | 21840 | 2552 | - | 2628 | = | -76 | * | (1919 | / | 11262) | = | -12.95009767 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Downey Unified | -32 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -42 | -39 | -38 | -37 | -32 | -188.0 | -37.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3: -28.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by -3: -46.6
For the lines, you have the data necessary to plot the chart.
THIS chart showswhat the method wants.
NOT what school board members want.
NOT what superintendents want.
• Any result above zero is proficient; below is not proficient. • There is a 99% chance that results will remain the same in coming years, which is to say, between the gray lines.
Downey Unified math proficiency
Zero+ meets standard.
Schools in Downey Unified
Elementary School (Public) (13)
High Schools (Public) (2)
| Downey High | Warren (Earl) High |
Intermediate/Middle Schools (Public) (4)
| Doty (Wendy Lopour) Middle | Griffiths (Gordon) Middle | Stauffer (Mary R.) Middle |
| Sussman (Edward A.) Middle |
Continuation High Schools (1)
| Columbus (Christopher) High |
District Community Day Schools (1)
| Woodruff Academy |
Adult Education Centers (1)
| Downey Adult |