Myford Elementary (Data source)
Source data for Myford Elementary
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 | 1572766 | 2475 | - | 2436 | = | 39 | * | (144 | / | 411) | = | 13.66423356 | ||
| 4 | 1572767 | 2538 | - | 2485 | = | 53 | * | (150 | / | 411) | = | 19.34306566 | ||
| 5 | 1572770 | 2540 | - | 2528 | = | 12 | * | (117 | / | 411) | = | 3.41605838 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Myford Elementary | 36 | ||||||||||||
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 | 49225 | 2484 | - | 2436 | = | 48 | * | (129 | / | 392) | = | 15.79591834 | ||
| 4 | 49227 | 2520 | - | 2485 | = | 35 | * | (146 | / | 392) | = | 13.03571427 | ||
| 5 | 49229 | 2574 | - | 2528 | = | 46 | * | (117 | / | 392) | = | 13.7295918 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Myford Elementary | 43 | ||||||||||||
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 | 50564 | 2481 | - | 2436 | = | 45 | * | (121 | / | 369) | = | 14.75609756 | ||
| 4 | 50567 | 2536 | - | 2485 | = | 51 | * | (134 | / | 369) | = | 18.52032518 | ||
| 5 | 50568 | 2562 | - | 2528 | = | 34 | * | (114 | / | 369) | = | 10.50406503 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Myford Elementary | 44 | ||||||||||||
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 | 50586 | 2491 | - | 2436 | = | 55 | * | (119 | / | 347) | = | 18.86167146 | ||
| 4 | 50588 | 2529 | - | 2485 | = | 44 | * | (124 | / | 347) | = | 15.72334293 | ||
| 5 | 50591 | 2551 | - | 2528 | = | 23 | * | (104 | / | 347) | = | 6.89337175 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Myford Elementary | 41 | ||||||||||||
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 | 50787 | 2501 | - | 2436 | = | 65 | * | (94 | / | 304) | = | 20.09868419 | ||
| 4 | 50788 | 2531 | - | 2485 | = | 46 | * | (99 | / | 304) | = | 14.98026312 | ||
| 5 | 50789 | 2576 | - | 2528 | = | 48 | * | (111 | / | 304) | = | 17.52631574 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Myford Elementary | 53 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 36 | 43 | 44 | 41 | 53 | 217.0 | 43.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 61.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 25.4
For the lines, you have the data necessary to plot the chart.
Very last step
The percent of students getting a Free or Reduced Price Meal comes from the following sources:
| 2015 | 2016 | 2017 | 2018 | 2019 | |
|---|---|---|---|---|---|
| Percent | 11% | 12% | 14% | 20% | 22% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Tustin Unified school district | County of Orange
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation: wealth/poverty.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Myford Elementary math proficiency
Zero+ meets standard.
8% less $meal
9% less $meal
10% less $meal
18% less $meal
19% less $meal
• 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 Upper and Lower Control Limits (the gray lines). • The houses with the % of students receiving a Free or Reduced Price Meal is a measure of wealth/poverty.