Parkway Middle (Data source)
Source data for Parkway 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 | 2185840 | 2549 | - | 2567 | = | -18 | * | (327 | / | 720) | = | -8.17499999 | ||
8 | 2185843 | 2569 | - | 2586 | = | -17 | * | (393 | / | 720) | = | -9.27916666 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Parkway Middle | -17 |
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 | 67121 | 2558 | - | 2567 | = | -9 | * | (336 | / | 666) | = | -4.54054054 | ||
8 | 67124 | 2578 | - | 2586 | = | -8 | * | (330 | / | 666) | = | -3.96396396 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Parkway Middle | -9 |
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 | 68943 | 2540 | - | 2567 | = | -27 | * | (417 | / | 776) | = | -14.50902062 | ||
8 | 68944 | 2573 | - | 2586 | = | -13 | * | (359 | / | 776) | = | -6.01417525 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Parkway Middle | -21 |
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 | 69113 | 2558 | - | 2567 | = | -9 | * | (397 | / | 800) | = | -4.46625 | ||
8 | 69115 | 2569 | - | 2586 | = | -17 | * | (403 | / | 800) | = | -8.56375 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Parkway Middle | -13 |
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 | 69650 | 2535 | - | 2567 | = | -32 | * | (396 | / | 809) | = | -15.66378243 | ||
8 | 69651 | 2585 | - | 2586 | = | -1 | * | (413 | / | 809) | = | -0.5105068 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Parkway Middle | -16 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-17 | -9 | -21 | -13 | -16 | -76.0 | -15.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -3.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -27.2
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 | 39% | 37% | 41% | 44% | 43% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
La Mesa-Spring Valley school district | County of San Diego
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.
Parkway Middle math proficiency
Zero+ meets standard.

29% less $meal

30% less $meal

32% less $meal

36% less $meal

37% 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 La Mesa-Spring Valley (1)
Parkway Middle |