Avaxat Elementary (Data source)
Source data for Avaxat 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 | 1779713 | 2397 | - | 2436 | = | -39 | * | (115 | / | 350) | = | -12.81428569 | ||
| 4 | 1779714 | 2435 | - | 2485 | = | -50 | * | (121 | / | 350) | = | -17.28571425 | ||
| 5 | 1779717 | 2486 | - | 2528 | = | -42 | * | (114 | / | 350) | = | -13.67999997 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Avaxat Elementary | -44 | ||||||||||||
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 | 55208 | 2404 | - | 2436 | = | -32 | * | (123 | / | 367) | = | -10.72479562 | ||
| 4 | 55210 | 2461 | - | 2485 | = | -24 | * | (119 | / | 367) | = | -7.78201634 | ||
| 5 | 55213 | 2498 | - | 2528 | = | -30 | * | (125 | / | 367) | = | -10.21798365 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Avaxat Elementary | -29 | ||||||||||||
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 | 56820 | 2417 | - | 2436 | = | -19 | * | (117 | / | 361) | = | -6.15789472 | ||
| 4 | 56822 | 2453 | - | 2485 | = | -32 | * | (126 | / | 361) | = | -11.16897504 | ||
| 5 | 56823 | 2505 | - | 2528 | = | -23 | * | (118 | / | 361) | = | -7.51800554 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Avaxat 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 | 56927 | 2439 | - | 2436 | = | 3 | * | (86 | / | 325) | = | 0.79384615 | ||
| 4 | 56929 | 2477 | - | 2485 | = | -8 | * | (113 | / | 325) | = | -2.78153846 | ||
| 5 | 56931 | 2497 | - | 2528 | = | -31 | * | (126 | / | 325) | = | -12.01846152 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Avaxat Elementary | -14 | ||||||||||||
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 | 57179 | 2445 | - | 2436 | = | 9 | * | (103 | / | 321) | = | 2.88785047 | ||
| 4 | 57180 | 2464 | - | 2485 | = | -21 | * | (96 | / | 321) | = | -6.28037382 | ||
| 5 | 57181 | 2498 | - | 2528 | = | -30 | * | (122 | / | 321) | = | -11.40186915 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Avaxat Elementary | -15 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -44 | -29 | -25 | -14 | -15 | -127.0 | -25.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 10.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -61.4
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 | 59% | 59% | 56% | 61% | 58% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Murrieta Valley 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.
Avaxat Elementary math proficiency
Zero+ meets standard.
45% less $meal
47% less $meal
43% less $meal
50% less $meal
45% 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.