Cesar E. Chavez Middle (Data source)
Source data for Cesar E. Chavez 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 | 2746464 | 2444 | - | 2552 | = | -108 | * | (218 | / | 582) | = | -40.45360817 | ||
7 | 2746465 | 2469 | - | 2567 | = | -98 | * | (185 | / | 582) | = | -31.15120267 | ||
8 | 2746468 | 2482 | - | 2586 | = | -104 | * | (179 | / | 582) | = | -31.98625425 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Cesar E. Chavez Middle | -104 |
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 | 83513 | 2451 | - | 2552 | = | -101 | * | (222 | / | 626) | = | -35.81789129 | ||
7 | 83514 | 2461 | - | 2567 | = | -106 | * | (220 | / | 626) | = | -37.25239609 | ||
8 | 83517 | 2490 | - | 2586 | = | -96 | * | (184 | / | 626) | = | -28.21725235 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Cesar E. Chavez Middle | -101 |
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 | 85835 | 2453 | - | 2552 | = | -99 | * | (213 | / | 636) | = | -33.15566034 | ||
7 | 85836 | 2463 | - | 2567 | = | -104 | * | (213 | / | 636) | = | -34.83018864 | ||
8 | 85838 | 2469 | - | 2586 | = | -117 | * | (210 | / | 636) | = | -38.63207544 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Cesar E. Chavez Middle | -107 |
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 | 86062 | 2432 | - | 2552 | = | -120 | * | (208 | / | 622) | = | -40.12861728 | ||
7 | 86063 | 2460 | - | 2567 | = | -107 | * | (207 | / | 622) | = | -35.60932469 | ||
8 | 86066 | 2468 | - | 2586 | = | -118 | * | (207 | / | 622) | = | -39.27009639 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Cesar E. Chavez Middle | -115 |
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 | 86654 | 2450 | - | 2552 | = | -102 | * | (210 | / | 623) | = | -34.3820224 | ||
7 | 86655 | 2455 | - | 2567 | = | -112 | * | (207 | / | 623) | = | -37.2134831 | ||
8 | 86656 | 2452 | - | 2586 | = | -134 | * | (206 | / | 623) | = | -44.30818607 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Cesar E. Chavez Middle | -116 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-104 | -101 | -107 | -115 | -116 | -543.0 | -108.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -90.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -126.6
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 | 91% | 90% | 90% | 92% | 93% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Pajaro Valley Unified school district | County of Santa Cruz
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.
Cesar E. Chavez Middle math proficiency
Zero+ meets standard.

82% less $meal

81% less $meal

81% less $meal

82% less $meal

86% 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 Pajaro Valley Unified (6)
Aptos Junior High | Cesar E. Chavez Middle | E. A. Hall Middle |
Lakeview Middle | Pajaro Middle | Rolling Hills Middle |