West Randall Elementary (Data source)
Source data for West Randall 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 | 1988488 | 2369 | - | 2436 | = | -67 | * | (78 | / | 313) | = | -16.69648556 | ||
4 | 1988489 | 2390 | - | 2485 | = | -95 | * | (78 | / | 313) | = | -23.67412132 | ||
5 | 1988492 | 2437 | - | 2528 | = | -91 | * | (74 | / | 313) | = | -21.51437698 | ||
6 | 1988493 | 2471 | - | 2552 | = | -81 | * | (83 | / | 313) | = | -21.47923316 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for West Randall Elementary | -83 |
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 | 61162 | 2352 | - | 2436 | = | -84 | * | (61 | / | 276) | = | -18.56521733 | ||
4 | 61165 | 2424 | - | 2485 | = | -61 | * | (69 | / | 276) | = | -15.25 | ||
5 | 61167 | 2422 | - | 2528 | = | -106 | * | (74 | / | 276) | = | -28.42028985 | ||
6 | 61169 | 2467 | - | 2552 | = | -85 | * | (72 | / | 276) | = | -22.17391303 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for West Randall Elementary | -84 |
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 | 62940 | 2389 | - | 2436 | = | -47 | * | (59 | / | 273) | = | -10.15750915 | ||
4 | 62943 | 2382 | - | 2485 | = | -103 | * | (71 | / | 273) | = | -26.78754578 | ||
5 | 62944 | 2438 | - | 2528 | = | -90 | * | (68 | / | 273) | = | -22.41758241 | ||
6 | 62946 | 2456 | - | 2552 | = | -96 | * | (75 | / | 273) | = | -26.3736263 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for West Randall Elementary | -86 |
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 | 63022 | 2391 | - | 2436 | = | -45 | * | (50 | / | 236) | = | -9.53389827 | ||
4 | 63024 | 2415 | - | 2485 | = | -70 | * | (59 | / | 236) | = | -17.5 | ||
5 | 63026 | 2400 | - | 2528 | = | -128 | * | (62 | / | 236) | = | -33.62711859 | ||
6 | 63028 | 2493 | - | 2552 | = | -59 | * | (65 | / | 236) | = | -16.24999995 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for West Randall Elementary | -77 |
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 | 63294 | 2377 | - | 2436 | = | -59 | * | (65 | / | 238) | = | -16.11344534 | ||
4 | 63295 | 2424 | - | 2485 | = | -61 | * | (52 | / | 238) | = | -13.32773103 | ||
5 | 63296 | 2421 | - | 2528 | = | -107 | * | (62 | / | 238) | = | -27.87394951 | ||
6 | 63297 | 2430 | - | 2552 | = | -122 | * | (59 | / | 238) | = | -30.2436974 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for West Randall Elementary | -88 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-83 | -84 | -86 | -77 | -88 | -418.0 | -83.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -71.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -95.6
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 | 94% | 86% | 81% | 81% | 83% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Fontana Unified 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.
West Randall Elementary math proficiency
Zero+ meets standard.

80% less $meal

74% less $meal

71% less $meal

73% less $meal

73% 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.