Terra Vista Elementary (Data source)
Source data for Terra Vista 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 | 1980062 | 2471 | - | 2436 | = | 35 | * | (133 | / | 394) | = | 11.81472079 | ||
| 4 | 1980065 | 2517 | - | 2485 | = | 32 | * | (107 | / | 394) | = | 8.69035533 | ||
| 5 | 1980066 | 2513 | - | 2528 | = | -15 | * | (154 | / | 394) | = | -5.86294416 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Terra Vista Elementary | 15 | ||||||||||||
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 | 60923 | 2494 | - | 2436 | = | 58 | * | (140 | / | 414) | = | 19.61352656 | ||
| 4 | 60925 | 2514 | - | 2485 | = | 29 | * | (152 | / | 414) | = | 10.64734298 | ||
| 5 | 60927 | 2545 | - | 2528 | = | 17 | * | (122 | / | 414) | = | 5.00966183 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Terra Vista Elementary | 35 | ||||||||||||
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 | 62685 | 2515 | - | 2436 | = | 79 | * | (139 | / | 429) | = | 25.5967366 | ||
| 4 | 62687 | 2534 | - | 2485 | = | 49 | * | (136 | / | 429) | = | 15.53379953 | ||
| 5 | 62688 | 2552 | - | 2528 | = | 24 | * | (154 | / | 429) | = | 8.61538459 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Terra Vista Elementary | 50 | ||||||||||||
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 | 62762 | 2512 | - | 2436 | = | 76 | * | (140 | / | 448) | = | 23.75 | ||
| 4 | 62764 | 2543 | - | 2485 | = | 58 | * | (155 | / | 448) | = | 20.06696424 | ||
| 5 | 62766 | 2554 | - | 2528 | = | 26 | * | (153 | / | 448) | = | 8.87946428 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Terra Vista Elementary | 53 | ||||||||||||
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 | 63031 | 2501 | - | 2436 | = | 65 | * | (148 | / | 452) | = | 21.28318582 | ||
| 4 | 63032 | 2550 | - | 2485 | = | 65 | * | (143 | / | 452) | = | 20.56415927 | ||
| 5 | 63033 | 2561 | - | 2528 | = | 33 | * | (161 | / | 452) | = | 11.75442477 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Terra Vista Elementary | 54 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 15 | 35 | 50 | 53 | 54 | 207.0 | 41.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 89.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -6.6
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 | 30% | 33% | 33% | 38% | 39% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Etiwanda Elementary school district | County of San Bernardino
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.
Terra Vista Elementary math proficiency
Zero+ meets standard.
26% less $meal
29% less $meal
28% less $meal
34% less $meal
35% 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.