Lovonya DeJean Middle (Data source)
Source data for Lovonya DeJean 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 |
||
7 | 246392 | 2427 | - | 2567 | = | -140 | * | (201 | / | 397) | = | -70.88161206 | ||
8 | 246395 | 2397 | - | 2586 | = | -189 | * | (196 | / | 397) | = | -93.30982353 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Lovonya DeJean Middle | -164 |
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 |
||
7 | 7228 | 2408 | - | 2567 | = | -159 | * | (209 | / | 446) | = | -74.50896854 | ||
8 | 7229 | 2418 | - | 2586 | = | -168 | * | (237 | / | 446) | = | -89.27354251 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Lovonya DeJean Middle | -164 |
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 |
||
7 | 7440 | 2414 | - | 2567 | = | -153 | * | (253 | / | 477) | = | -81.15094327 | ||
8 | 7442 | 2411 | - | 2586 | = | -175 | * | (224 | / | 477) | = | -82.18029348 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Lovonya DeJean Middle | -163 |
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 |
||
7 | 7457 | 2413 | - | 2567 | = | -154 | * | (215 | / | 430) | = | -77.0 | ||
8 | 7459 | 2418 | - | 2586 | = | -168 | * | (215 | / | 430) | = | -84.0 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Lovonya DeJean Middle | -161 |
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 |
||
7 | 7510 | 2386 | - | 2567 | = | -181 | * | (223 | / | 457) | = | -88.32166301 | ||
8 | 7511 | 2411 | - | 2586 | = | -175 | * | (234 | / | 457) | = | -89.60612675 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Lovonya DeJean Middle | -178 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-164 | -164 | -163 | -161 | -178 | -830.0 | -166.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -148.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -184.0
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 | 89% | 95% | 99% | 90% | 92% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
West Contra Costa Unified school district | County of Contra Costa
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.
Lovonya DeJean Middle math proficiency
Zero+ meets standard.

82% less $meal

88% less $meal

91% less $meal

82% less $meal

89% 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.
Intermediate/Middle Schools (Public) schools in West Contra Costa Unified (6)
Crespi Junior High | Fred T. Korematsu Middle | Helms Middle |
Hercules Middle | Lovonya DeJean Middle | Pinole Middle |