Triple Crown Elementary (Data source)
Source data for Triple Crown 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 | 1785480 | 2396 | - | 2436 | = | -40 | * | (151 | / | 409) | = | -14.76772616 | ||
| 4 | 1785481 | 2442 | - | 2485 | = | -43 | * | (147 | / | 409) | = | -15.45476769 | ||
| 5 | 1785484 | 2455 | - | 2528 | = | -73 | * | (111 | / | 409) | = | -19.81173594 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Triple Crown Elementary | -50 | ||||||||||||
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 | 55360 | 2396 | - | 2436 | = | -40 | * | (154 | / | 463) | = | -13.3045356 | ||
| 4 | 55363 | 2442 | - | 2485 | = | -43 | * | (155 | / | 463) | = | -14.39524837 | ||
| 5 | 55364 | 2481 | - | 2528 | = | -47 | * | (154 | / | 463) | = | -15.63282933 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Triple Crown 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 | 56965 | 2428 | - | 2436 | = | -8 | * | (145 | / | 454) | = | -2.55506607 | ||
| 4 | 56967 | 2462 | - | 2485 | = | -23 | * | (155 | / | 454) | = | -7.85242289 | ||
| 5 | 56969 | 2486 | - | 2528 | = | -42 | * | (154 | / | 454) | = | -14.24669602 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Triple Crown Elementary | -25 | ||||||||||||
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 | 57073 | 2459 | - | 2436 | = | 23 | * | (129 | / | 425) | = | 6.98117645 | ||
| 4 | 57074 | 2470 | - | 2485 | = | -15 | * | (143 | / | 425) | = | -5.04705882 | ||
| 5 | 57077 | 2472 | - | 2528 | = | -56 | * | (153 | / | 425) | = | -20.16 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Triple Crown Elementary | -18 | ||||||||||||
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 | 57325 | 2465 | - | 2436 | = | 29 | * | (169 | / | 447) | = | 10.9642058 | ||
| 4 | 57326 | 2488 | - | 2485 | = | 3 | * | (133 | / | 447) | = | 0.89261745 | ||
| 5 | 57327 | 2488 | - | 2528 | = | -40 | * | (145 | / | 447) | = | -12.97539148 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Triple Crown Elementary | -1 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -50 | -43 | -25 | -18 | -1 | -137.0 | -27.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 29.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -84.4
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 | 86% | 88% | 89% | 83% | 83% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Val Verde Unified school district | County of Riverside
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.
Triple Crown Elementary math proficiency
Zero+ meets standard.
69% less $meal
71% less $meal
71% less $meal
72% less $meal
70% 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.