Del Vallejo Middle (Data source)
Source data for Del Vallejo Middle
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 | 2058532 | 2376 | - | 2552 | = | -176 | * | (76 | / | 575) | = | -23.26260869 | ||
7 | 2058535 | 2419 | - | 2567 | = | -148 | * | (229 | / | 575) | = | -58.94260861 | ||
8 | 2058536 | 2431 | - | 2586 | = | -155 | * | (270 | / | 575) | = | -72.78260864 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Del Vallejo Middle | -155 |
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 | 63265 | 2372 | - | 2552 | = | -180 | * | (66 | / | 564) | = | -21.06382968 | ||
7 | 63266 | 2420 | - | 2567 | = | -147 | * | (270 | / | 564) | = | -70.37234039 | ||
8 | 63268 | 2439 | - | 2586 | = | -147 | * | (228 | / | 564) | = | -59.42553189 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Del Vallejo Middle | -151 |
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 | 65055 | 2405 | - | 2552 | = | -147 | * | (70 | / | 551) | = | -18.67513607 | ||
7 | 65057 | 2414 | - | 2567 | = | -153 | * | (243 | / | 551) | = | -67.47549895 | ||
8 | 65058 | 2430 | - | 2586 | = | -156 | * | (238 | / | 551) | = | -67.38293999 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Del Vallejo Middle | -154 |
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 | 65144 | 2414 | - | 2552 | = | -138 | * | (110 | / | 561) | = | -27.05882348 | ||
7 | 65146 | 2419 | - | 2567 | = | -148 | * | (223 | / | 561) | = | -58.83065949 | ||
8 | 65148 | 2449 | - | 2586 | = | -137 | * | (228 | / | 561) | = | -55.67914434 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Del Vallejo Middle | -142 |
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 | 65513 | 2435 | - | 2552 | = | -117 | * | (104 | / | 592) | = | -20.55405398 | ||
7 | 65514 | 2424 | - | 2567 | = | -143 | * | (266 | / | 592) | = | -64.25337833 | ||
8 | 65515 | 2417 | - | 2586 | = | -169 | * | (222 | / | 592) | = | -63.375 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Del Vallejo Middle | -148 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-155 | -151 | -154 | -142 | -148 | -750.0 | -150.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -135.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -165.0
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% | 94% | 90% | 95% | 95% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
San Bernardino City Unified school district County of San Bernardino
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation, parent education.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Del Vallejo Middle math proficiency
Zero+ meets standard.
90% less $meal
89% less $meal
84% less $meal
91% less $meal
92% 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.