Aptos Junior High (Data source)
Source data for Aptos Junior High
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 | 2748191 | 2533 | - | 2567 | = | -34 | * | (337 | / | 675) | = | -16.97481481 | ||
| 8 | 2748194 | 2558 | - | 2586 | = | -28 | * | (338 | / | 675) | = | -14.02074072 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Aptos Junior High | -31 | ||||||||||||
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 | 83581 | 0 | - | 2552 | = | * | (0 | / | 658) | = | ||||
| 7 | 83582 | 2555 | - | 2567 | = | -12 | * | (331 | / | 658) | = | -6.03647416 | ||
| 8 | 83585 | 2564 | - | 2586 | = | -22 | * | (327 | / | 658) | = | -10.93313069 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Aptos Junior High | -17 | ||||||||||||
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 | 85897 | 0 | - | 2552 | = | * | (0 | / | 634) | = | ||||
| 7 | 85899 | 2549 | - | 2567 | = | -18 | * | (302 | / | 634) | = | -8.57413249 | ||
| 8 | 85901 | 2557 | - | 2586 | = | -29 | * | (332 | / | 634) | = | -15.18611985 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Aptos Junior High | -24 | ||||||||||||
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 | 86130 | 2569 | - | 2567 | = | 2 | * | (323 | / | 627) | = | 1.03030303 | ||
| 8 | 86131 | 2562 | - | 2586 | = | -24 | * | (304 | / | 627) | = | -11.63636362 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Aptos Junior High | -11 | ||||||||||||
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 | 86725 | 2561 | - | 2567 | = | -6 | * | (326 | / | 648) | = | -3.01851851 | ||
| 8 | 86726 | 2578 | - | 2586 | = | -8 | * | (322 | / | 648) | = | -3.97530864 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Aptos Junior High | -7 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -31 | -17 | -24 | -11 | -7 | -90.0 | -18.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 9.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -45.0
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 | 37% | 40% | 39% | 43% | 46% |
| 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.
Aptos Junior High math proficiency
Zero+ meets standard.
31% less $meal
35% less $meal
33% less $meal
40% less $meal
39% 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 |