Willard Intermediate (Data source)
Source data for Willard Intermediate
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 |
||
| 6 | 1540797 | 2425 | - | 2552 | = | -127 | * | (281 | / | 839) | = | -42.5351608 | ||
| 7 | 1540800 | 2420 | - | 2567 | = | -147 | * | (253 | / | 839) | = | -44.32777106 | ||
| 8 | 1540801 | 2446 | - | 2586 | = | -140 | * | (305 | / | 839) | = | -50.89392126 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Willard Intermediate | -138 | ||||||||||||
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 |
||
| 6 | 48273 | 2419 | - | 2552 | = | -133 | * | (260 | / | 813) | = | -42.53382533 | ||
| 7 | 48275 | 2447 | - | 2567 | = | -120 | * | (289 | / | 813) | = | -42.65682648 | ||
| 8 | 48276 | 2440 | - | 2586 | = | -146 | * | (264 | / | 813) | = | -47.40959406 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Willard Intermediate | -133 | ||||||||||||
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 |
||
| 6 | 49601 | 2411 | - | 2552 | = | -141 | * | (234 | / | 778) | = | -42.40874033 | ||
| 7 | 49602 | 2435 | - | 2567 | = | -132 | * | (256 | / | 778) | = | -43.43444728 | ||
| 8 | 49605 | 2447 | - | 2586 | = | -139 | * | (288 | / | 778) | = | -51.45501277 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Willard Intermediate | -137 | ||||||||||||
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 |
||
| 6 | 49615 | 2399 | - | 2552 | = | -153 | * | (223 | / | 727) | = | -46.93122413 | ||
| 7 | 49616 | 2416 | - | 2567 | = | -151 | * | (247 | / | 727) | = | -51.30261346 | ||
| 8 | 49619 | 2422 | - | 2586 | = | -164 | * | (257 | / | 727) | = | -57.97524066 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Willard Intermediate | -156 | ||||||||||||
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 |
||
| 6 | 49813 | 2403 | - | 2552 | = | -149 | * | (192 | / | 657) | = | -43.54337886 | ||
| 7 | 49814 | 2425 | - | 2567 | = | -142 | * | (222 | / | 657) | = | -47.98173511 | ||
| 8 | 49815 | 2419 | - | 2586 | = | -167 | * | (243 | / | 657) | = | -61.76712317 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Willard Intermediate | -153 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -138 | -133 | -137 | -156 | -153 | -717.0 | -143.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -113.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -173.4
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 | 95% | 98% | 98% | 92% | 93% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Santa Ana 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.
Willard Intermediate math proficiency
Zero+ meets standard.
95% less $meal
98% less $meal
96% less $meal
88% less $meal
88% 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.